'07 3.7l crank, but no start, when hot - JeepForum.com
 
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post #1 of 4 Old 03-10-2020, 01:29 PM Thread Starter
stangyog
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Hi all, my 2007 Jeep Grand Cherokee 3.7 L start and runs fine when it is cold. Once it gets warm, when I shut it off and let it sit for about 15 minutes it will not start, it just cranks and cranks. Does not happen all the time, only seems to happen when it has a full tank of fuel. I hear the fuel prime when I turn the ignition on, and there is pressurized fuel at the port on the passenger side of the fuel rail.

Also, no codes, or check engine light, and car runs fine once it starts.

Looking for some guidance, before I start throwing parts at it.

Thank you!

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post #2 of 4 Old 03-10-2020, 02:08 PM
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the system can have codes and the CEL remains off.

Some thoughts
fuel pressure and leak down,
and ECT not correct.

When I see the price of OEM I think aftermarket.
When I see the quality of aftermarket I think OEM.
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post #3 of 4 Old 04-07-2020, 05:13 PM Thread Starter
stangyog
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Could this be an evap issue? Saw something about a Chevy Trailblazer having the same issue, and it was a bad evap solenoid? Is there anyway to check the system and see if its working correctly?


Thanks!
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post #4 of 4 Old Yesterday, 07:40 PM Thread Starter
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Come on guys... no one has ever had this happen???
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