ZJ 4.0 problem after running after warm - JeepForum.com
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post #1 of 1 Old 08-05-2019, 03:26 PM Thread Starter
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ZJ 4.0 problem after running after warm

I have a 95 ZJ that had a failed valve cover gasket. Since replacement the engine has not run correctly after warming up. I tried putting a colder thermostat to see if it would help but the engine still would miss fire at a colder tempatur. I have narrowed it down to being once thermostat is open the problem occurs. I'm lost what to do next I even put a new coolant temp sensor.

Rmarch is offline  

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