V8 5.2 in Laredo but...ECU is not working
01-11-2006, 12:58 AM
#11
Guest
Posts: n/a
Re: V8 5.2 in Laredo but...ECU is not working
In message <43c138f4$0$31802$a82e2bb9@reader.athenanews.com >, "Earle Horton"
wrote:
>If this is the case, then ask the $tealer$hip to disable the alarm system in
>the PCM you do have. If they have any sense, they will refuse to work on a
>highly modified vehicle, but it is worth a call.
Once a PCM 'learns' it's installed in a vehicle equipped with VTSS, it can't be
disabled. At least not at the dealer.
>
>Earle
>
>"philthy" <dbrider@cac.net> wrote in message
>news:43C1357E.27010756@cac.net...
>> the pcm see a theft occuring and shuts downm the injectors get a different
>pcm
>> from a vehicl that did not have factroy alarm better known as the skim
>system
>>
>> Lex-Lutor wrote:
>>
>> > I hope to find some help here about my problem. We made a real monster
>from
>> > one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> > (year 1996) is now fit inside this Jeep. After we start engine it runs
>8-10
>> > seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> > sensors are connected OK), since we use only engine CPU I'm pretty much
>sure
>> > that engine CPU send stop signal to fuel injectors because there is no
>> > signal form board computer, (CPU unit inside Grand Cherokee cabin) Is
>there
>> > any solution to make fake signal or emulate board computer ???
>> >
>> > We need original CPU since electronic unit from automatic transmission
>will
>> > not work without engine CPU.
>> >
>> > For final solution we can connect board cpu, but it will be too much
>wires
>> > and hard to find safety place inside !
>> >
>> > Thanks for any help.
>> >
>> > PS: Just for info, is there any code or other protection inside engine
>cpu,
>> > is there any problem to exchange engine cpu between same models ??
>>
>
wrote:
>If this is the case, then ask the $tealer$hip to disable the alarm system in
>the PCM you do have. If they have any sense, they will refuse to work on a
>highly modified vehicle, but it is worth a call.
Once a PCM 'learns' it's installed in a vehicle equipped with VTSS, it can't be
disabled. At least not at the dealer.
>
>Earle
>
>"philthy" <dbrider@cac.net> wrote in message
>news:43C1357E.27010756@cac.net...
>> the pcm see a theft occuring and shuts downm the injectors get a different
>pcm
>> from a vehicl that did not have factroy alarm better known as the skim
>system
>>
>> Lex-Lutor wrote:
>>
>> > I hope to find some help here about my problem. We made a real monster
>from
>> > one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> > (year 1996) is now fit inside this Jeep. After we start engine it runs
>8-10
>> > seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> > sensors are connected OK), since we use only engine CPU I'm pretty much
>sure
>> > that engine CPU send stop signal to fuel injectors because there is no
>> > signal form board computer, (CPU unit inside Grand Cherokee cabin) Is
>there
>> > any solution to make fake signal or emulate board computer ???
>> >
>> > We need original CPU since electronic unit from automatic transmission
>will
>> > not work without engine CPU.
>> >
>> > For final solution we can connect board cpu, but it will be too much
>wires
>> > and hard to find safety place inside !
>> >
>> > Thanks for any help.
>> >
>> > PS: Just for info, is there any code or other protection inside engine
>cpu,
>> > is there any problem to exchange engine cpu between same models ??
>>
>
01-11-2006, 12:58 AM
#12
Guest
Posts: n/a
Re: V8 5.2 in Laredo but...ECU is not working
In message <43c138f4$0$31802$a82e2bb9@reader.athenanews.com >, "Earle Horton"
wrote:
>If this is the case, then ask the $tealer$hip to disable the alarm system in
>the PCM you do have. If they have any sense, they will refuse to work on a
>highly modified vehicle, but it is worth a call.
Once a PCM 'learns' it's installed in a vehicle equipped with VTSS, it can't be
disabled. At least not at the dealer.
>
>Earle
>
>"philthy" <dbrider@cac.net> wrote in message
>news:43C1357E.27010756@cac.net...
>> the pcm see a theft occuring and shuts downm the injectors get a different
>pcm
>> from a vehicl that did not have factroy alarm better known as the skim
>system
>>
>> Lex-Lutor wrote:
>>
>> > I hope to find some help here about my problem. We made a real monster
>from
>> > one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> > (year 1996) is now fit inside this Jeep. After we start engine it runs
>8-10
>> > seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> > sensors are connected OK), since we use only engine CPU I'm pretty much
>sure
>> > that engine CPU send stop signal to fuel injectors because there is no
>> > signal form board computer, (CPU unit inside Grand Cherokee cabin) Is
>there
>> > any solution to make fake signal or emulate board computer ???
>> >
>> > We need original CPU since electronic unit from automatic transmission
>will
>> > not work without engine CPU.
>> >
>> > For final solution we can connect board cpu, but it will be too much
>wires
>> > and hard to find safety place inside !
>> >
>> > Thanks for any help.
>> >
>> > PS: Just for info, is there any code or other protection inside engine
>cpu,
>> > is there any problem to exchange engine cpu between same models ??
>>
>
wrote:
>If this is the case, then ask the $tealer$hip to disable the alarm system in
>the PCM you do have. If they have any sense, they will refuse to work on a
>highly modified vehicle, but it is worth a call.
Once a PCM 'learns' it's installed in a vehicle equipped with VTSS, it can't be
disabled. At least not at the dealer.
>
>Earle
>
>"philthy" <dbrider@cac.net> wrote in message
>news:43C1357E.27010756@cac.net...
>> the pcm see a theft occuring and shuts downm the injectors get a different
>pcm
>> from a vehicl that did not have factroy alarm better known as the skim
>system
>>
>> Lex-Lutor wrote:
>>
>> > I hope to find some help here about my problem. We made a real monster
>from
>> > one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> > (year 1996) is now fit inside this Jeep. After we start engine it runs
>8-10
>> > seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> > sensors are connected OK), since we use only engine CPU I'm pretty much
>sure
>> > that engine CPU send stop signal to fuel injectors because there is no
>> > signal form board computer, (CPU unit inside Grand Cherokee cabin) Is
>there
>> > any solution to make fake signal or emulate board computer ???
>> >
>> > We need original CPU since electronic unit from automatic transmission
>will
>> > not work without engine CPU.
>> >
>> > For final solution we can connect board cpu, but it will be too much
>wires
>> > and hard to find safety place inside !
>> >
>> > Thanks for any help.
>> >
>> > PS: Just for info, is there any code or other protection inside engine
>cpu,
>> > is there any problem to exchange engine cpu between same models ??
>>
>
01-11-2006, 12:58 AM
#13
Guest
Posts: n/a
Re: V8 5.2 in Laredo but...ECU is not working
In message <43c138f4$0$31802$a82e2bb9@reader.athenanews.com >, "Earle Horton"
wrote:
>If this is the case, then ask the $tealer$hip to disable the alarm system in
>the PCM you do have. If they have any sense, they will refuse to work on a
>highly modified vehicle, but it is worth a call.
Once a PCM 'learns' it's installed in a vehicle equipped with VTSS, it can't be
disabled. At least not at the dealer.
>
>Earle
>
>"philthy" <dbrider@cac.net> wrote in message
>news:43C1357E.27010756@cac.net...
>> the pcm see a theft occuring and shuts downm the injectors get a different
>pcm
>> from a vehicl that did not have factroy alarm better known as the skim
>system
>>
>> Lex-Lutor wrote:
>>
>> > I hope to find some help here about my problem. We made a real monster
>from
>> > one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> > (year 1996) is now fit inside this Jeep. After we start engine it runs
>8-10
>> > seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> > sensors are connected OK), since we use only engine CPU I'm pretty much
>sure
>> > that engine CPU send stop signal to fuel injectors because there is no
>> > signal form board computer, (CPU unit inside Grand Cherokee cabin) Is
>there
>> > any solution to make fake signal or emulate board computer ???
>> >
>> > We need original CPU since electronic unit from automatic transmission
>will
>> > not work without engine CPU.
>> >
>> > For final solution we can connect board cpu, but it will be too much
>wires
>> > and hard to find safety place inside !
>> >
>> > Thanks for any help.
>> >
>> > PS: Just for info, is there any code or other protection inside engine
>cpu,
>> > is there any problem to exchange engine cpu between same models ??
>>
>
wrote:
>If this is the case, then ask the $tealer$hip to disable the alarm system in
>the PCM you do have. If they have any sense, they will refuse to work on a
>highly modified vehicle, but it is worth a call.
Once a PCM 'learns' it's installed in a vehicle equipped with VTSS, it can't be
disabled. At least not at the dealer.
>
>Earle
>
>"philthy" <dbrider@cac.net> wrote in message
>news:43C1357E.27010756@cac.net...
>> the pcm see a theft occuring and shuts downm the injectors get a different
>pcm
>> from a vehicl that did not have factroy alarm better known as the skim
>system
>>
>> Lex-Lutor wrote:
>>
>> > I hope to find some help here about my problem. We made a real monster
>from
>> > one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> > (year 1996) is now fit inside this Jeep. After we start engine it runs
>8-10
>> > seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> > sensors are connected OK), since we use only engine CPU I'm pretty much
>sure
>> > that engine CPU send stop signal to fuel injectors because there is no
>> > signal form board computer, (CPU unit inside Grand Cherokee cabin) Is
>there
>> > any solution to make fake signal or emulate board computer ???
>> >
>> > We need original CPU since electronic unit from automatic transmission
>will
>> > not work without engine CPU.
>> >
>> > For final solution we can connect board cpu, but it will be too much
>wires
>> > and hard to find safety place inside !
>> >
>> > Thanks for any help.
>> >
>> > PS: Just for info, is there any code or other protection inside engine
>cpu,
>> > is there any problem to exchange engine cpu between same models ??
>>
>
01-11-2006, 01:01 AM
#14
Guest
Posts: n/a
Re: V8 5.2 in Laredo but...ECU is not working
In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
>Just a wild guess, but have you connected the oil pressure safety shut
>off? There is a switch on the oil pressure sender that will cause the
>engine to shut down after a few seconds of seeing no oil pressure.
There is no such switch.
>
>Other than that, I am not sure about the need for two computers to run
>things.
>
>Mike
>86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>88 Cherokee 235 BFG AT's
>Canadian Off Road Trips Photos: Non members can still view!
>Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
>(More Off Road album links at bottom of the view page)
>
>Lex-Lutor wrote:
>>
>> I hope to find some help here about my problem. We made a real monster from
>> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
>> seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> sensors are connected OK), since we use only engine CPU I'm pretty much sure
>> that engine CPU send stop signal to fuel injectors because there is no
>> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
>> any solution to make fake signal or emulate board computer ???
>>
>> We need original CPU since electronic unit from automatic transmission will
>> not work without engine CPU.
>>
>> For final solution we can connect board cpu, but it will be too much wires
>> and hard to find safety place inside !
>>
>> Thanks for any help.
>>
>> PS: Just for info, is there any code or other protection inside engine cpu,
>> is there any problem to exchange engine cpu between same models ??
>Just a wild guess, but have you connected the oil pressure safety shut
>off? There is a switch on the oil pressure sender that will cause the
>engine to shut down after a few seconds of seeing no oil pressure.
There is no such switch.
>
>Other than that, I am not sure about the need for two computers to run
>things.
>
>Mike
>86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>88 Cherokee 235 BFG AT's
>Canadian Off Road Trips Photos: Non members can still view!
>Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
>(More Off Road album links at bottom of the view page)
>
>Lex-Lutor wrote:
>>
>> I hope to find some help here about my problem. We made a real monster from
>> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
>> seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> sensors are connected OK), since we use only engine CPU I'm pretty much sure
>> that engine CPU send stop signal to fuel injectors because there is no
>> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
>> any solution to make fake signal or emulate board computer ???
>>
>> We need original CPU since electronic unit from automatic transmission will
>> not work without engine CPU.
>>
>> For final solution we can connect board cpu, but it will be too much wires
>> and hard to find safety place inside !
>>
>> Thanks for any help.
>>
>> PS: Just for info, is there any code or other protection inside engine cpu,
>> is there any problem to exchange engine cpu between same models ??
01-11-2006, 01:01 AM
#15
Guest
Posts: n/a
Re: V8 5.2 in Laredo but...ECU is not working
In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
>Just a wild guess, but have you connected the oil pressure safety shut
>off? There is a switch on the oil pressure sender that will cause the
>engine to shut down after a few seconds of seeing no oil pressure.
There is no such switch.
>
>Other than that, I am not sure about the need for two computers to run
>things.
>
>Mike
>86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>88 Cherokee 235 BFG AT's
>Canadian Off Road Trips Photos: Non members can still view!
>Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
>(More Off Road album links at bottom of the view page)
>
>Lex-Lutor wrote:
>>
>> I hope to find some help here about my problem. We made a real monster from
>> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
>> seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> sensors are connected OK), since we use only engine CPU I'm pretty much sure
>> that engine CPU send stop signal to fuel injectors because there is no
>> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
>> any solution to make fake signal or emulate board computer ???
>>
>> We need original CPU since electronic unit from automatic transmission will
>> not work without engine CPU.
>>
>> For final solution we can connect board cpu, but it will be too much wires
>> and hard to find safety place inside !
>>
>> Thanks for any help.
>>
>> PS: Just for info, is there any code or other protection inside engine cpu,
>> is there any problem to exchange engine cpu between same models ??
>Just a wild guess, but have you connected the oil pressure safety shut
>off? There is a switch on the oil pressure sender that will cause the
>engine to shut down after a few seconds of seeing no oil pressure.
There is no such switch.
>
>Other than that, I am not sure about the need for two computers to run
>things.
>
>Mike
>86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>88 Cherokee 235 BFG AT's
>Canadian Off Road Trips Photos: Non members can still view!
>Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
>(More Off Road album links at bottom of the view page)
>
>Lex-Lutor wrote:
>>
>> I hope to find some help here about my problem. We made a real monster from
>> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
>> seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> sensors are connected OK), since we use only engine CPU I'm pretty much sure
>> that engine CPU send stop signal to fuel injectors because there is no
>> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
>> any solution to make fake signal or emulate board computer ???
>>
>> We need original CPU since electronic unit from automatic transmission will
>> not work without engine CPU.
>>
>> For final solution we can connect board cpu, but it will be too much wires
>> and hard to find safety place inside !
>>
>> Thanks for any help.
>>
>> PS: Just for info, is there any code or other protection inside engine cpu,
>> is there any problem to exchange engine cpu between same models ??
01-11-2006, 01:01 AM
#16
Guest
Posts: n/a
Re: V8 5.2 in Laredo but...ECU is not working
In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
>Just a wild guess, but have you connected the oil pressure safety shut
>off? There is a switch on the oil pressure sender that will cause the
>engine to shut down after a few seconds of seeing no oil pressure.
There is no such switch.
>
>Other than that, I am not sure about the need for two computers to run
>things.
>
>Mike
>86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>88 Cherokee 235 BFG AT's
>Canadian Off Road Trips Photos: Non members can still view!
>Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
>(More Off Road album links at bottom of the view page)
>
>Lex-Lutor wrote:
>>
>> I hope to find some help here about my problem. We made a real monster from
>> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
>> seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> sensors are connected OK), since we use only engine CPU I'm pretty much sure
>> that engine CPU send stop signal to fuel injectors because there is no
>> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
>> any solution to make fake signal or emulate board computer ???
>>
>> We need original CPU since electronic unit from automatic transmission will
>> not work without engine CPU.
>>
>> For final solution we can connect board cpu, but it will be too much wires
>> and hard to find safety place inside !
>>
>> Thanks for any help.
>>
>> PS: Just for info, is there any code or other protection inside engine cpu,
>> is there any problem to exchange engine cpu between same models ??
>Just a wild guess, but have you connected the oil pressure safety shut
>off? There is a switch on the oil pressure sender that will cause the
>engine to shut down after a few seconds of seeing no oil pressure.
There is no such switch.
>
>Other than that, I am not sure about the need for two computers to run
>things.
>
>Mike
>86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>88 Cherokee 235 BFG AT's
>Canadian Off Road Trips Photos: Non members can still view!
>Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
>(More Off Road album links at bottom of the view page)
>
>Lex-Lutor wrote:
>>
>> I hope to find some help here about my problem. We made a real monster from
>> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
>> seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> sensors are connected OK), since we use only engine CPU I'm pretty much sure
>> that engine CPU send stop signal to fuel injectors because there is no
>> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
>> any solution to make fake signal or emulate board computer ???
>>
>> We need original CPU since electronic unit from automatic transmission will
>> not work without engine CPU.
>>
>> For final solution we can connect board cpu, but it will be too much wires
>> and hard to find safety place inside !
>>
>> Thanks for any help.
>>
>> PS: Just for info, is there any code or other protection inside engine cpu,
>> is there any problem to exchange engine cpu between same models ??
01-15-2006, 02:39 PM
#17
Guest
Posts: n/a
Re: V8 5.2 in Laredo but...ECU is not working
there is on a gm vehicle
bllsht wrote:
> In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
>
> >Just a wild guess, but have you connected the oil pressure safety shut
> >off? There is a switch on the oil pressure sender that will cause the
> >engine to shut down after a few seconds of seeing no oil pressure.
>
> There is no such switch.
>
> >
> >Other than that, I am not sure about the need for two computers to run
> >things.
> >
> >Mike
> >86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> >88 Cherokee 235 BFG AT's
> >Canadian Off Road Trips Photos: Non members can still view!
> >Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
> >(More Off Road album links at bottom of the view page)
> >
> >Lex-Lutor wrote:
> >>
> >> I hope to find some help here about my problem. We made a real monster from
> >> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
> >> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
> >> seconds and than goes Off. (fuel pump, map, temp, and all other engine
> >> sensors are connected OK), since we use only engine CPU I'm pretty much sure
> >> that engine CPU send stop signal to fuel injectors because there is no
> >> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
> >> any solution to make fake signal or emulate board computer ???
> >>
> >> We need original CPU since electronic unit from automatic transmission will
> >> not work without engine CPU.
> >>
> >> For final solution we can connect board cpu, but it will be too much wires
> >> and hard to find safety place inside !
> >>
> >> Thanks for any help.
> >>
> >> PS: Just for info, is there any code or other protection inside engine cpu,
> >> is there any problem to exchange engine cpu between same models ??
bllsht wrote:
> In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
>
> >Just a wild guess, but have you connected the oil pressure safety shut
> >off? There is a switch on the oil pressure sender that will cause the
> >engine to shut down after a few seconds of seeing no oil pressure.
>
> There is no such switch.
>
> >
> >Other than that, I am not sure about the need for two computers to run
> >things.
> >
> >Mike
> >86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> >88 Cherokee 235 BFG AT's
> >Canadian Off Road Trips Photos: Non members can still view!
> >Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
> >(More Off Road album links at bottom of the view page)
> >
> >Lex-Lutor wrote:
> >>
> >> I hope to find some help here about my problem. We made a real monster from
> >> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
> >> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
> >> seconds and than goes Off. (fuel pump, map, temp, and all other engine
> >> sensors are connected OK), since we use only engine CPU I'm pretty much sure
> >> that engine CPU send stop signal to fuel injectors because there is no
> >> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
> >> any solution to make fake signal or emulate board computer ???
> >>
> >> We need original CPU since electronic unit from automatic transmission will
> >> not work without engine CPU.
> >>
> >> For final solution we can connect board cpu, but it will be too much wires
> >> and hard to find safety place inside !
> >>
> >> Thanks for any help.
> >>
> >> PS: Just for info, is there any code or other protection inside engine cpu,
> >> is there any problem to exchange engine cpu between same models ??
01-15-2006, 02:39 PM
#18
Guest
Posts: n/a
Re: V8 5.2 in Laredo but...ECU is not working
there is on a gm vehicle
bllsht wrote:
> In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
>
> >Just a wild guess, but have you connected the oil pressure safety shut
> >off? There is a switch on the oil pressure sender that will cause the
> >engine to shut down after a few seconds of seeing no oil pressure.
>
> There is no such switch.
>
> >
> >Other than that, I am not sure about the need for two computers to run
> >things.
> >
> >Mike
> >86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> >88 Cherokee 235 BFG AT's
> >Canadian Off Road Trips Photos: Non members can still view!
> >Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
> >(More Off Road album links at bottom of the view page)
> >
> >Lex-Lutor wrote:
> >>
> >> I hope to find some help here about my problem. We made a real monster from
> >> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
> >> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
> >> seconds and than goes Off. (fuel pump, map, temp, and all other engine
> >> sensors are connected OK), since we use only engine CPU I'm pretty much sure
> >> that engine CPU send stop signal to fuel injectors because there is no
> >> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
> >> any solution to make fake signal or emulate board computer ???
> >>
> >> We need original CPU since electronic unit from automatic transmission will
> >> not work without engine CPU.
> >>
> >> For final solution we can connect board cpu, but it will be too much wires
> >> and hard to find safety place inside !
> >>
> >> Thanks for any help.
> >>
> >> PS: Just for info, is there any code or other protection inside engine cpu,
> >> is there any problem to exchange engine cpu between same models ??
bllsht wrote:
> In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
>
> >Just a wild guess, but have you connected the oil pressure safety shut
> >off? There is a switch on the oil pressure sender that will cause the
> >engine to shut down after a few seconds of seeing no oil pressure.
>
> There is no such switch.
>
> >
> >Other than that, I am not sure about the need for two computers to run
> >things.
> >
> >Mike
> >86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> >88 Cherokee 235 BFG AT's
> >Canadian Off Road Trips Photos: Non members can still view!
> >Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
> >(More Off Road album links at bottom of the view page)
> >
> >Lex-Lutor wrote:
> >>
> >> I hope to find some help here about my problem. We made a real monster from
> >> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
> >> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
> >> seconds and than goes Off. (fuel pump, map, temp, and all other engine
> >> sensors are connected OK), since we use only engine CPU I'm pretty much sure
> >> that engine CPU send stop signal to fuel injectors because there is no
> >> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
> >> any solution to make fake signal or emulate board computer ???
> >>
> >> We need original CPU since electronic unit from automatic transmission will
> >> not work without engine CPU.
> >>
> >> For final solution we can connect board cpu, but it will be too much wires
> >> and hard to find safety place inside !
> >>
> >> Thanks for any help.
> >>
> >> PS: Just for info, is there any code or other protection inside engine cpu,
> >> is there any problem to exchange engine cpu between same models ??
01-15-2006, 02:39 PM
#19
Guest
Posts: n/a
Re: V8 5.2 in Laredo but...ECU is not working
there is on a gm vehicle
bllsht wrote:
> In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
>
> >Just a wild guess, but have you connected the oil pressure safety shut
> >off? There is a switch on the oil pressure sender that will cause the
> >engine to shut down after a few seconds of seeing no oil pressure.
>
> There is no such switch.
>
> >
> >Other than that, I am not sure about the need for two computers to run
> >things.
> >
> >Mike
> >86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> >88 Cherokee 235 BFG AT's
> >Canadian Off Road Trips Photos: Non members can still view!
> >Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
> >(More Off Road album links at bottom of the view page)
> >
> >Lex-Lutor wrote:
> >>
> >> I hope to find some help here about my problem. We made a real monster from
> >> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
> >> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
> >> seconds and than goes Off. (fuel pump, map, temp, and all other engine
> >> sensors are connected OK), since we use only engine CPU I'm pretty much sure
> >> that engine CPU send stop signal to fuel injectors because there is no
> >> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
> >> any solution to make fake signal or emulate board computer ???
> >>
> >> We need original CPU since electronic unit from automatic transmission will
> >> not work without engine CPU.
> >>
> >> For final solution we can connect board cpu, but it will be too much wires
> >> and hard to find safety place inside !
> >>
> >> Thanks for any help.
> >>
> >> PS: Just for info, is there any code or other protection inside engine cpu,
> >> is there any problem to exchange engine cpu between same models ??
bllsht wrote:
> In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
>
> >Just a wild guess, but have you connected the oil pressure safety shut
> >off? There is a switch on the oil pressure sender that will cause the
> >engine to shut down after a few seconds of seeing no oil pressure.
>
> There is no such switch.
>
> >
> >Other than that, I am not sure about the need for two computers to run
> >things.
> >
> >Mike
> >86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> >88 Cherokee 235 BFG AT's
> >Canadian Off Road Trips Photos: Non members can still view!
> >Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
> >(More Off Road album links at bottom of the view page)
> >
> >Lex-Lutor wrote:
> >>
> >> I hope to find some help here about my problem. We made a real monster from
> >> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
> >> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
> >> seconds and than goes Off. (fuel pump, map, temp, and all other engine
> >> sensors are connected OK), since we use only engine CPU I'm pretty much sure
> >> that engine CPU send stop signal to fuel injectors because there is no
> >> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
> >> any solution to make fake signal or emulate board computer ???
> >>
> >> We need original CPU since electronic unit from automatic transmission will
> >> not work without engine CPU.
> >>
> >> For final solution we can connect board cpu, but it will be too much wires
> >> and hard to find safety place inside !
> >>
> >> Thanks for any help.
> >>
> >> PS: Just for info, is there any code or other protection inside engine cpu,
> >> is there any problem to exchange engine cpu between same models ??
01-15-2006, 02:40 PM
#20
Guest
Posts: n/a
Re: V8 5.2 in Laredo but...ECU is not working
and exactly what makes u say that?????
bllsht wrote:
> In message <43c138f4$0$31802$a82e2bb9@reader.athenanews.com >, "Earle Horton"
> wrote:
>
> >If this is the case, then ask the $tealer$hip to disable the alarm system in
> >the PCM you do have. If they have any sense, they will refuse to work on a
> >highly modified vehicle, but it is worth a call.
>
> Once a PCM 'learns' it's installed in a vehicle equipped with VTSS, it can't be
> disabled. At least not at the dealer.
>
> >
> >Earle
> >
> >"philthy" <dbrider@cac.net> wrote in message
> >news:43C1357E.27010756@cac.net...
> >> the pcm see a theft occuring and shuts downm the injectors get a different
> >pcm
> >> from a vehicl that did not have factroy alarm better known as the skim
> >system
> >>
> >> Lex-Lutor wrote:
> >>
> >> > I hope to find some help here about my problem. We made a real monster
> >from
> >> > one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
> >> > (year 1996) is now fit inside this Jeep. After we start engine it runs
> >8-10
> >> > seconds and than goes Off. (fuel pump, map, temp, and all other engine
> >> > sensors are connected OK), since we use only engine CPU I'm pretty much
> >sure
> >> > that engine CPU send stop signal to fuel injectors because there is no
> >> > signal form board computer, (CPU unit inside Grand Cherokee cabin) Is
> >there
> >> > any solution to make fake signal or emulate board computer ???
> >> >
> >> > We need original CPU since electronic unit from automatic transmission
> >will
> >> > not work without engine CPU.
> >> >
> >> > For final solution we can connect board cpu, but it will be too much
> >wires
> >> > and hard to find safety place inside !
> >> >
> >> > Thanks for any help.
> >> >
> >> > PS: Just for info, is there any code or other protection inside engine
> >cpu,
> >> > is there any problem to exchange engine cpu between same models ??
> >>
> >
bllsht wrote:
> In message <43c138f4$0$31802$a82e2bb9@reader.athenanews.com >, "Earle Horton"
> wrote:
>
> >If this is the case, then ask the $tealer$hip to disable the alarm system in
> >the PCM you do have. If they have any sense, they will refuse to work on a
> >highly modified vehicle, but it is worth a call.
>
> Once a PCM 'learns' it's installed in a vehicle equipped with VTSS, it can't be
> disabled. At least not at the dealer.
>
> >
> >Earle
> >
> >"philthy" <dbrider@cac.net> wrote in message
> >news:43C1357E.27010756@cac.net...
> >> the pcm see a theft occuring and shuts downm the injectors get a different
> >pcm
> >> from a vehicl that did not have factroy alarm better known as the skim
> >system
> >>
> >> Lex-Lutor wrote:
> >>
> >> > I hope to find some help here about my problem. We made a real monster
> >from
> >> > one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
> >> > (year 1996) is now fit inside this Jeep. After we start engine it runs
> >8-10
> >> > seconds and than goes Off. (fuel pump, map, temp, and all other engine
> >> > sensors are connected OK), since we use only engine CPU I'm pretty much
> >sure
> >> > that engine CPU send stop signal to fuel injectors because there is no
> >> > signal form board computer, (CPU unit inside Grand Cherokee cabin) Is
> >there
> >> > any solution to make fake signal or emulate board computer ???
> >> >
> >> > We need original CPU since electronic unit from automatic transmission
> >will
> >> > not work without engine CPU.
> >> >
> >> > For final solution we can connect board cpu, but it will be too much
> >wires
> >> > and hard to find safety place inside !
> >> >
> >> > Thanks for any help.
> >> >
> >> > PS: Just for info, is there any code or other protection inside engine
> >cpu,
> >> > is there any problem to exchange engine cpu between same models ??
> >>
> >