Intermittent hot start issue

lfhoward

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My Jeep is starting to develop a crank no start issue when the engine is hot, like if I’ve been driving, go into a store, then come back out and try to start the engine. It’s fine 9 times out of 10, but it happened twice last weekend and I think the frequency of the problem is increasing. Waiting 10 minutes or trying to start it several times in a row has always worked, but I don’t want my wife or me to be stranded when something eventually goes kaput.

Some background:
- The engine runs very smoothly, no codes, no pending codes, no misfires
- NGK copper spark plugs, only 20K miles on them since I changed them
- All coils and injectors are original (175K)
- Fuel pump is original.
- Engine is newer (only 89K)

Has a hot start issue happened to anyone else? What was the culprit?
 

LibertyTC

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Yes no one wants to be stuck out there. Could this be electrical or fuel pressure related?
Just for curiosity, next time it does this, remove the gas cap for a few seconds, then replace it, wonder if that may help or not..
You could call a dealer and ask them if there are any "known issues" related to this intermittent hot start issue...
 

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