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Discussion Starter · #1 ·
Every time I gas up my check engine light comes on. I have cleaned the gas cap. When I remove the negative for 5min it will clear. I don't want to have to disconnect my battery every time I fill up. I hate setting my clocks. Lol
 

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34 Posts
Discussion Starter · #6 ·
I can fill the tank. I plan on getting a code reader tonight if i have time. It has happen every time i have filled up and about 3-5 miles into driving. I have filled up 3 times sense buying it.
 

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Super Moderator (Actually a SuperSpy)
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19,820 Posts
It is the rear O2. Either the car has the wrong map, the sensor's wiring is faulty, the sensor is malfunctioning, or the sensor is missing. More than one is also possible.
 
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