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 Post subject: troubleshooting a '94
PostPosted: Mon Jan 03, 2011 7:36 pm 
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My '94 Grand Cherokee inline 6 is dying out after the engine warms up & will not start after for a few hrs or a day or two. When it does start it runs fine but just dies after 10 or 15 minutes. Any ideas or has this happened to anyone out there? I've swapped the fuel filter - no luck. I'm not guessing a pump cause it does start up when it's cold. I did notice some oil in the air cleaner and throttle body and am in the process of changing the pcv but from what I've heard that wouldn't cause my problem. Thanks again and I'll search the archives in the meantime.


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 Post subject: Re: troubleshooting a '94
PostPosted: Mon Jan 03, 2011 10:09 pm 
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It may be vapor locking. Check your fuel line, make sure it's not touching anything hot, where it's routed, and if maybe there's any pin holes. You might also check your fuel pressure when it's hot. I'll keep thinking, might be able to come up with some more ideas.

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