what is causing my jeep to turn off?
10

Asked by monsterman01 Dec 31, 2014 at 05:10 PM about the 1990 Jeep Cherokee

Question type: Maintenance & Repair

I have a 1990 jeep 4.0 that will start and run for about 10 minutes then will shut off as if I
turned the key off.Will start again after abt 30 minutes and do same thing. Have replaced
the fuel pump, fuel filter, dist, crank shaft sensor,air flow sensor, automatic choke. Coil
tested fine, what else could it be??

3 Answers
103,425

KenF answered 9 years ago

What kind of mileage on the motor? Is timing off or any kind of knock condition? What shape is the timing chain in? A knock sensor will shut a motor off cold like that.

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10

monsterman01 answered 9 years ago

has a little over 117 thousand miles on it, timing chain in good condition, no knocking in motor. will run perfect for 10 to 15 minutes then shut off. I can force gas into the carb and it will start.

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monsterman01 answered 9 years ago

could the knock sensor still be shutting it off ? or the fuel pressure regulator?

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