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P0128 Thermostat Rationality

Old 03-08-2019, 02:08 PM
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Model: Cherokee (XJ)
Default P0128 Thermostat Rationality

So me and my partner both have Jeep Cherokee KL (2016,2015) latitudes and about a couple months ago my car (2016 KL) was at about 35,000 miles and I had my engine light come on. I did the diagnostic on it and it said that there was a problem with my thermostat. Luckily my car was still under warranty and got fixed no problem. Well just a couple of days ago the 2015 KL jeep had its engine light come on and the mileage is a little over 38,000 miles. Has anyone else had this issue with their Jeep KL's.
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