PING again. Tested Fuel pressure. Came out ok.
#51
Guest
Posts: n/a
Re: PING again. Tested Fuel pressure. Came out ok.
With higher fuel pressures and better electronics, the PCM handles all that now.
In message <JxX2tWiP5BNp-pn2-xHxPWZKwn04M@anon.none.net>, "Will Honea" wrote:
>Every one of the Jeep MPI's call for 40 PSI until vacuum builds, then
>back off to 30PSI. Hmmm... wonder how the new ones with the regulator
>in the pump manage that?
>
>On Tue, 7 Oct 2003 05:23:09 UTC L.W.(ßill) ------ III
><----------@***.net> wrote:
>
>> Every electronic fuel injection I know of runs forty pounds, screw
>> it down.
>> God Bless America, ßill O|||||||O
>> mailto:-------------------- http://www.----------.com/
>>
>> William Oliveri wrote:
>> >
>> > Hi all,
>> >
>> > The Pinging problem continues. I tested the fuel pressure today and it
>> > comes out at or above what Hesco recommends:
>> >
>> > Hesco = 30 psi at idle
>> > Mine = 31 -> 32 psi at idle
>> >
>> > Hesco = 34 -> 38 when driving
>> > Mine = "Hose not long enough to stick out of the hood to see to test"
>> >
>> > So I couldn't test when driving unless I take the hood off which I'm not
>> > opposed to doing I just didn't have time this evening.
>> >
>> > So I'm at a loss what to do next. I was warming up to the Adjustable Fuel
>> > Pressure Regulator as a fix but if I'm in line with the pressure I'm suppose
>> > to have then doesn't that leave that one out?
>> >
>> > Does this mean the 4.0L head is the only fix?
>> >
>> > Agggghhhh :-(
In message <JxX2tWiP5BNp-pn2-xHxPWZKwn04M@anon.none.net>, "Will Honea" wrote:
>Every one of the Jeep MPI's call for 40 PSI until vacuum builds, then
>back off to 30PSI. Hmmm... wonder how the new ones with the regulator
>in the pump manage that?
>
>On Tue, 7 Oct 2003 05:23:09 UTC L.W.(ßill) ------ III
><----------@***.net> wrote:
>
>> Every electronic fuel injection I know of runs forty pounds, screw
>> it down.
>> God Bless America, ßill O|||||||O
>> mailto:-------------------- http://www.----------.com/
>>
>> William Oliveri wrote:
>> >
>> > Hi all,
>> >
>> > The Pinging problem continues. I tested the fuel pressure today and it
>> > comes out at or above what Hesco recommends:
>> >
>> > Hesco = 30 psi at idle
>> > Mine = 31 -> 32 psi at idle
>> >
>> > Hesco = 34 -> 38 when driving
>> > Mine = "Hose not long enough to stick out of the hood to see to test"
>> >
>> > So I couldn't test when driving unless I take the hood off which I'm not
>> > opposed to doing I just didn't have time this evening.
>> >
>> > So I'm at a loss what to do next. I was warming up to the Adjustable Fuel
>> > Pressure Regulator as a fix but if I'm in line with the pressure I'm suppose
>> > to have then doesn't that leave that one out?
>> >
>> > Does this mean the 4.0L head is the only fix?
>> >
>> > Agggghhhh :-(
#52
Guest
Posts: n/a
Re: PING again. Tested Fuel pressure. Came out ok.
With higher fuel pressures and better electronics, the PCM handles all that now.
In message <JxX2tWiP5BNp-pn2-xHxPWZKwn04M@anon.none.net>, "Will Honea" wrote:
>Every one of the Jeep MPI's call for 40 PSI until vacuum builds, then
>back off to 30PSI. Hmmm... wonder how the new ones with the regulator
>in the pump manage that?
>
>On Tue, 7 Oct 2003 05:23:09 UTC L.W.(ßill) ------ III
><----------@***.net> wrote:
>
>> Every electronic fuel injection I know of runs forty pounds, screw
>> it down.
>> God Bless America, ßill O|||||||O
>> mailto:-------------------- http://www.----------.com/
>>
>> William Oliveri wrote:
>> >
>> > Hi all,
>> >
>> > The Pinging problem continues. I tested the fuel pressure today and it
>> > comes out at or above what Hesco recommends:
>> >
>> > Hesco = 30 psi at idle
>> > Mine = 31 -> 32 psi at idle
>> >
>> > Hesco = 34 -> 38 when driving
>> > Mine = "Hose not long enough to stick out of the hood to see to test"
>> >
>> > So I couldn't test when driving unless I take the hood off which I'm not
>> > opposed to doing I just didn't have time this evening.
>> >
>> > So I'm at a loss what to do next. I was warming up to the Adjustable Fuel
>> > Pressure Regulator as a fix but if I'm in line with the pressure I'm suppose
>> > to have then doesn't that leave that one out?
>> >
>> > Does this mean the 4.0L head is the only fix?
>> >
>> > Agggghhhh :-(
In message <JxX2tWiP5BNp-pn2-xHxPWZKwn04M@anon.none.net>, "Will Honea" wrote:
>Every one of the Jeep MPI's call for 40 PSI until vacuum builds, then
>back off to 30PSI. Hmmm... wonder how the new ones with the regulator
>in the pump manage that?
>
>On Tue, 7 Oct 2003 05:23:09 UTC L.W.(ßill) ------ III
><----------@***.net> wrote:
>
>> Every electronic fuel injection I know of runs forty pounds, screw
>> it down.
>> God Bless America, ßill O|||||||O
>> mailto:-------------------- http://www.----------.com/
>>
>> William Oliveri wrote:
>> >
>> > Hi all,
>> >
>> > The Pinging problem continues. I tested the fuel pressure today and it
>> > comes out at or above what Hesco recommends:
>> >
>> > Hesco = 30 psi at idle
>> > Mine = 31 -> 32 psi at idle
>> >
>> > Hesco = 34 -> 38 when driving
>> > Mine = "Hose not long enough to stick out of the hood to see to test"
>> >
>> > So I couldn't test when driving unless I take the hood off which I'm not
>> > opposed to doing I just didn't have time this evening.
>> >
>> > So I'm at a loss what to do next. I was warming up to the Adjustable Fuel
>> > Pressure Regulator as a fix but if I'm in line with the pressure I'm suppose
>> > to have then doesn't that leave that one out?
>> >
>> > Does this mean the 4.0L head is the only fix?
>> >
>> > Agggghhhh :-(
Thread
Thread Starter
Forum
Replies
Last Post
ned_sud@yahoo.com
Jeep Mailing List
0
11-24-2007 06:19 PM
ned_sud@yahoo.com
Jeep Mailing List
0
10-15-2006 11:26 AM
zarro
Jeep Mailing List
15
03-11-2005 03:15 PM
Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)