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1993 JGC. Starts then instantly stalls.


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AnotherCarIssue
09-15-2009, 03:48 AM
The title explains the problem. It is one of my dads cars and he is a retired mechanic (much older and cant get around anymore) and theres only so much he can tell me and say but he really doesnt care if it works, he's got a ton of other cars but I'd like to get this going for him.

I need ideas guys!

Rick

Airjer_
09-15-2009, 09:35 AM
What happens when you try to keep it running buy feathering the gas pedal?

AnotherCarIssue
09-15-2009, 02:50 PM
You can't just feather it, it stalls. If you floor it then it will rev but then instantly stall after revving.

Rick

pkucan
09-15-2009, 09:28 PM
Same thing on my 93 and 98.
93 was a clogged fuel filter and after market alarm.
98 was a bad battery.
Hope yours is one of these because they are an easy fix!

AnotherCarIssue
09-15-2009, 09:52 PM
Yea i figured it'd be a fuel issue. Fule Filter, Pump or relay. So we'll check them three first then we'll check the intake, hoses and all. I guess its time for process of elimination!

Rick

ronaldk
09-15-2009, 11:12 PM
could also be ign switch.

AnotherCarIssue
09-16-2009, 02:22 AM
Even if it starts?

Rick

ronaldk
09-16-2009, 07:44 AM
Yes because the switch has start position then run position. if problem with run position not feeding B+ then it will only run in start position and die the second you place in run.I dont know if thats your problem but it does happen so I dont want you to miss possible cause.

AnotherCarIssue
09-16-2009, 07:00 PM
alright thanks i'll tell my fathr that!

Thanks for all the responses guys

Rick

jeep2002
09-28-2009, 10:08 PM
A bad crankshaft position sensor will cause that as well

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