01 check engine light
#1
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Join Date: May 2012
Location: Quad Cities
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Model: Cherokee
Engine: 4.0
01 check engine light
On my 01 xj sport with the 4.0, the check engine light is on. I went up to auto zone so they could check it. The auto zone guy said it turned out to be an emissions leak. He said it could be a vacuum leak, a solenoid, gas cap being loose or something else. Has anyone had this problem? The jeep drives perfectly fine. I wouldnt be that worried about it, but I'm looking to sell it soon. I would rather sell it without that light being on because I think it would be easier to get rid of. I'm a rookie mechanic so I have no idea where the selenoids or vacuum lines are located. Any info on what and where to check would be appreciated.
#3
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Model: Cherokee
Engine: 4.0
The gas cap does NOT look stock, and it doesn't seem very tight, so it's quite possible. The only reason I don't think that it's the culprit is because I have had this jeep for months now, and this gas cap has been on the whole time with no check engine light. I will disconnect the battery and see what happens.
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I didn't even have to disconnect the battery. I got back out to my truck after typing that last reply and after 3 weeks of the check engine light being on, it miraculously turned off on it's own completely random.
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