Question about 2002 Jeep Grand Cherokee
After changing the cooling fan relay switch the check engine light is on now and won't go out. How can I turn it off?
A common problem on many of the new cars is that when a person gets gas, they don't tighten up the gas cap. This will turn on the check engine light. Did you get gas recently? Another option is to see what code is stored in the ECU that turned the light on. This is done with a scanner tool. If you do not have a scanner, then have a dealer look at it.
Posted on Nov 07, 2008
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Posted on Jan 02, 2017
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