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Post by zjsteve98 on Jun 8, 2015 19:57:36 GMT -5
Have a 1998 GC with 4.0.Will start up and runs fine then cuts off.Sometimes it restarts other times it won't.Did tune up and still cuts out. Thinking fuel pump/filter or maybe coil.Any info is appreciated. Trying to get it road ready.Thanks
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Post by Jesse Schneirla on Jun 12, 2015 17:56:58 GMT -5
When it cuts off check the fuel rail to see if you have good fuel pressure. There is a fitting that looks like a tire valve stem that you can push to check. Remember that you engine may be hot so make sure you don't spill that fuel and start a fire.
If you have good fuel pressure then you need to look at the electrical side.
Jesse
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Post by zjsteve98 on Jun 13, 2015 5:26:54 GMT -5
Fuel pressure good.Replaced plug wires and coil.Hasn't cut off yet.Hope this takes care of it.Going on a test drive Sunday to see how it does.Its my only day off.
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Post by zjsteve98 on Jun 15, 2015 16:51:20 GMT -5
Think I found the problem. Logos like its my fuel pressure regulator. Loosing pressure after jeep is turned off for 15 minutes. Have to get part and a Sunday to drop tank.
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Post by zjsteve98 on Jun 15, 2015 17:18:35 GMT -5
Think I found the problem. Logos like its my fuel pressure regulator. Loosing pressure after jeep is turned off for 15 minutes. Have to get part and a Sunday to drop tank.
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Post by zjsteve98 on Aug 28, 2015 18:34:25 GMT -5
Fixed the Jeep finaly.It was the PCM.Just installed this evening and running great.Not cutting off.Now i can fix tcase.Has small leak and filler plug is stuck.
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