Old jeep won't start
04-20-2006, 07:30 PM
#21
Guest
Posts: n/a
Re: Old jeep won't start
It may just be bad gas did you use any gas stabilizer?
Coasty
"Mike Romain" <romainm@sympatico.ca> wrote in message
news:4447D413.8EE20C4F@sympatico.ca...
> Those engines can flood like mad when primed. I would be taking all the
> plugs out and drying/cleaning them first. If you can push on the gas
> and it sprays inside the carb, you do not need any more prime than
> that. You might even need to use wide open throttle to get it going.
>
> Is the choke working?
>
> I then would be checking out the distributor cap for carbon tracks. You
> say you saw spark at one cylinder, you have 5 more. Condensation can
> get inside there too. If it looks damp, WD40 is good for cleaning and
> drying the insides. A weak spark can contribute to a flooded engine.
>
> I would be leaning towards the flood though....
>
> 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)
>
> mark wrote:
>>
>> It sat for the winter but last fall it ran OK. I can't see the timing
>> playing a role since it has not changed since it last ran. One wierd
>> thing I
>> noticed was that number one plug was dry when removed after a lot of
>> priming
>> through the carb throat. Might there be an intake valve issue here?
>>
>> "Keep YerSpam" <keepyerSPAM@yourown.com> wrote in message
>> news:nlN1g.24$FP5.12@fe03.lga...
>> > mark wrote:
>> >
>> >> My 85 CJ 258 won't start, it is getting fuel and fire. Plugs fire when
>> >> removed from cylinders and fuel atomizes in carb throat when pedal is
>> >> pushed. I tried priming in throat and directly in cylinders. At first
>> >> It
>> >> would run very rough for a few seconds and then back fire and stall
>> >> but
>> >> now it won't catch at all. What should I do next.
>> >
>> > How much fire? You can get a spark that isn't enought to burn fuel with
>> > a
>> > weak coil. Timing will also throw everything out of whack and prevert
>> > starting with a good spark & fuel. Same thing with carb adjustment.
>> >
>> > As Mike Romain said :: was this running and parked and now won't start?
>> > Sitting how long? Indoors or outdoors? Was something recently replaced
>> > or
>> > repaired? It all matters to some degree.
>> >
>> > Cheers,
>> > - JJ
>> >
Coasty
"Mike Romain" <romainm@sympatico.ca> wrote in message
news:4447D413.8EE20C4F@sympatico.ca...
> Those engines can flood like mad when primed. I would be taking all the
> plugs out and drying/cleaning them first. If you can push on the gas
> and it sprays inside the carb, you do not need any more prime than
> that. You might even need to use wide open throttle to get it going.
>
> Is the choke working?
>
> I then would be checking out the distributor cap for carbon tracks. You
> say you saw spark at one cylinder, you have 5 more. Condensation can
> get inside there too. If it looks damp, WD40 is good for cleaning and
> drying the insides. A weak spark can contribute to a flooded engine.
>
> I would be leaning towards the flood though....
>
> 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)
>
> mark wrote:
>>
>> It sat for the winter but last fall it ran OK. I can't see the timing
>> playing a role since it has not changed since it last ran. One wierd
>> thing I
>> noticed was that number one plug was dry when removed after a lot of
>> priming
>> through the carb throat. Might there be an intake valve issue here?
>>
>> "Keep YerSpam" <keepyerSPAM@yourown.com> wrote in message
>> news:nlN1g.24$FP5.12@fe03.lga...
>> > mark wrote:
>> >
>> >> My 85 CJ 258 won't start, it is getting fuel and fire. Plugs fire when
>> >> removed from cylinders and fuel atomizes in carb throat when pedal is
>> >> pushed. I tried priming in throat and directly in cylinders. At first
>> >> It
>> >> would run very rough for a few seconds and then back fire and stall
>> >> but
>> >> now it won't catch at all. What should I do next.
>> >
>> > How much fire? You can get a spark that isn't enought to burn fuel with
>> > a
>> > weak coil. Timing will also throw everything out of whack and prevert
>> > starting with a good spark & fuel. Same thing with carb adjustment.
>> >
>> > As Mike Romain said :: was this running and parked and now won't start?
>> > Sitting how long? Indoors or outdoors? Was something recently replaced
>> > or
>> > repaired? It all matters to some degree.
>> >
>> > Cheers,
>> > - JJ
>> >
04-20-2006, 07:30 PM
#22
Guest
Posts: n/a
Re: Old jeep won't start
It may just be bad gas did you use any gas stabilizer?
Coasty
"Mike Romain" <romainm@sympatico.ca> wrote in message
news:4447D413.8EE20C4F@sympatico.ca...
> Those engines can flood like mad when primed. I would be taking all the
> plugs out and drying/cleaning them first. If you can push on the gas
> and it sprays inside the carb, you do not need any more prime than
> that. You might even need to use wide open throttle to get it going.
>
> Is the choke working?
>
> I then would be checking out the distributor cap for carbon tracks. You
> say you saw spark at one cylinder, you have 5 more. Condensation can
> get inside there too. If it looks damp, WD40 is good for cleaning and
> drying the insides. A weak spark can contribute to a flooded engine.
>
> I would be leaning towards the flood though....
>
> 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)
>
> mark wrote:
>>
>> It sat for the winter but last fall it ran OK. I can't see the timing
>> playing a role since it has not changed since it last ran. One wierd
>> thing I
>> noticed was that number one plug was dry when removed after a lot of
>> priming
>> through the carb throat. Might there be an intake valve issue here?
>>
>> "Keep YerSpam" <keepyerSPAM@yourown.com> wrote in message
>> news:nlN1g.24$FP5.12@fe03.lga...
>> > mark wrote:
>> >
>> >> My 85 CJ 258 won't start, it is getting fuel and fire. Plugs fire when
>> >> removed from cylinders and fuel atomizes in carb throat when pedal is
>> >> pushed. I tried priming in throat and directly in cylinders. At first
>> >> It
>> >> would run very rough for a few seconds and then back fire and stall
>> >> but
>> >> now it won't catch at all. What should I do next.
>> >
>> > How much fire? You can get a spark that isn't enought to burn fuel with
>> > a
>> > weak coil. Timing will also throw everything out of whack and prevert
>> > starting with a good spark & fuel. Same thing with carb adjustment.
>> >
>> > As Mike Romain said :: was this running and parked and now won't start?
>> > Sitting how long? Indoors or outdoors? Was something recently replaced
>> > or
>> > repaired? It all matters to some degree.
>> >
>> > Cheers,
>> > - JJ
>> >
Coasty
"Mike Romain" <romainm@sympatico.ca> wrote in message
news:4447D413.8EE20C4F@sympatico.ca...
> Those engines can flood like mad when primed. I would be taking all the
> plugs out and drying/cleaning them first. If you can push on the gas
> and it sprays inside the carb, you do not need any more prime than
> that. You might even need to use wide open throttle to get it going.
>
> Is the choke working?
>
> I then would be checking out the distributor cap for carbon tracks. You
> say you saw spark at one cylinder, you have 5 more. Condensation can
> get inside there too. If it looks damp, WD40 is good for cleaning and
> drying the insides. A weak spark can contribute to a flooded engine.
>
> I would be leaning towards the flood though....
>
> 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)
>
> mark wrote:
>>
>> It sat for the winter but last fall it ran OK. I can't see the timing
>> playing a role since it has not changed since it last ran. One wierd
>> thing I
>> noticed was that number one plug was dry when removed after a lot of
>> priming
>> through the carb throat. Might there be an intake valve issue here?
>>
>> "Keep YerSpam" <keepyerSPAM@yourown.com> wrote in message
>> news:nlN1g.24$FP5.12@fe03.lga...
>> > mark wrote:
>> >
>> >> My 85 CJ 258 won't start, it is getting fuel and fire. Plugs fire when
>> >> removed from cylinders and fuel atomizes in carb throat when pedal is
>> >> pushed. I tried priming in throat and directly in cylinders. At first
>> >> It
>> >> would run very rough for a few seconds and then back fire and stall
>> >> but
>> >> now it won't catch at all. What should I do next.
>> >
>> > How much fire? You can get a spark that isn't enought to burn fuel with
>> > a
>> > weak coil. Timing will also throw everything out of whack and prevert
>> > starting with a good spark & fuel. Same thing with carb adjustment.
>> >
>> > As Mike Romain said :: was this running and parked and now won't start?
>> > Sitting how long? Indoors or outdoors? Was something recently replaced
>> > or
>> > repaired? It all matters to some degree.
>> >
>> > Cheers,
>> > - JJ
>> >
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