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ive posted about this before my jeep wrangler has been randomly stalling upon start up it will start then it will begin to die and 100% of the time if i catch it before the RPMs drop to low to can feather the throttle and bring the RPMs up to about 2500 then i can release the throttle and it will idle and run just fine but when i dont catch it, it will die then it wont start up again for about 10 mins
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as far as MPG it stays at 14, but also i noticed in the cold weather the temp gauge will go to about 230 and stay there a few seconds then in about 3 seconds it will drop to about 180, would that have anything to do with this?
Quoted From college man:
just to chime in. you may have a sticking thermostat. check the cts first. as suggested. C8-)
Thank you! Don’t condemn a sensor first when you have a mechanical control of the system, the sensor could be reading correctly but you may have a problem with flow through the system due to a faulty thermostat. I would recommend you replace the thermostat before the temp sensor, engine temperature is EVERYTHING when it comes to fuel injection so be sure your thermostat is working so you can take that off the list of possible causes.
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