Question about 1993 Jeep Grand Cherokee

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Jeep GC sputtering and turning off

Our Jeep is a 1993 and has been sputtering and cutting off rather randomly the past few days. The check engine light is on and off. We replaced the fuel filter yesterday and it did it again today. My husband said he had to pull over and tried several times to restart it before it would start again (today). The RPM drops and everything, and we have no clue as to what else to do. We are a paycheck-to-paycheck couple with a 4 year old and another one on the way, so we NEED to have a working car, and I'm afraid if we don't figure this out soon we will be out of a vehicle altogether. Thanks for any help!!!!!!

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You have to determine if you have a fuel issue or an Ignition issue. This is simple to do. If the truck only cranks over look at the tachometer. It should flicker. Sometimes this test is inconclusive so you may want to check that one spark plug is firing. If no spark you may have a bad crank sensor or coil.

As for fuel you can put a little in the throttle body and if the car starts you now your not getting fuel. Make sure the fuel pump relay is working. Switch it with another of the same.

The relay is in position 3 from you if your standing on the passenger side. standing.

I have a 93 jeep yj also. I just had an issue where the pump feed from this relay was contacting weakly. If you feed 12v strait to the terminal on the left side (firwall side of the relay this will bypass the relay and supply strait to the fuel pump.

Posted on Aug 03, 2009


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