Check Engine light and fuel
I recently bought a 2000 wrangler with a rebuilt 4.0. When I hit 150,000 miles, the check engine light came on. I asked the previous owner about it and he said that had happened to him a couple of times. All he did to fix it was to put mid-grade fuel in it instead of regular. I did that and the engine light did go off. But I'm curious if this is going to do more harm than good in the long run. Any help would be appreciated.
Originally Posted by TheBoogieman View Post
|check engine light , fuel|
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