Need Help Engine cutting out - JeepForum.com

 
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post #1 of 7 Old 11-09-2004, 03:48 PM Thread Starter
meador36
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Need Help Engine cutting out

I have a 94 4cyl. It has been cutting out while driving. Not in nutreal. It only does this once it is warm and not everytime. I have replaced plugs, wires, fuel filter, etc. I somewhat new to the jeep and was hoping someone could help.
Thanks

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post #2 of 7 Old 11-09-2004, 11:26 PM
sentinal02
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Quote:
Originally Posted by meador36
I have a 94 4cyl. It has been cutting out while driving. Not in nutreal. It only does this once it is warm and not everytime. I have replaced plugs, wires, fuel filter, etc. I somewhat new to the jeep and was hoping someone could help.
Thanks
sounds like a classic CPS problem to me. crankshaft position sensor. they're a common problem. does it start right back up or do you need to let it cool off a bit first? also, try running the codes and seeing what that turns up. the procedure is in the FAQ

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post #3 of 7 Old 11-10-2004, 06:42 AM Thread Starter
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Since it only does it under load it does not quit. If I stop there is no problem.
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post #4 of 7 Old 11-10-2004, 07:08 AM
CAJUN_YJ
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l

I had the same problem with my 4.0L, I replaced the fuel pressure regulator on the fuel rail and that fixed the problem. $52.0 at AZ
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post #5 of 7 Old 11-10-2004, 08:35 AM
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Have you checked the self-diagnostic computer codes?

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post #6 of 7 Old 11-10-2004, 01:48 PM Thread Starter
meador36
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I'm going to check fuel pressure tonight. There are no error codes coming from the Jeep.
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post #7 of 7 Old 11-10-2004, 09:07 PM
sentinal02
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Quote:
Originally Posted by meador36
Since it only does it under load it does not quit. If I stop there is no problem.
well if this is the case then i doubt it's the CPS. when you said cutting out i figured it died instantly. this sounds more like a bogging/stuttering problem and without a code to go by then i would suspect fuel delievery as well. definitely check the fuel pressure next

RIP: '88 YJ 2.5L Ax-5 NP231
Posi-Loked. Herculined. Optima yellow top. 1" Shackle, 2" BDS. Cragar 397's Aussie front.

92 YJ 4.0L Ax-15 231
5" springs, 1" shackle 31's or 35's depending on my mood
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