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Question Asked: If an O2 sensor is it will it always turn on a check engine light
November 27, 2013, 01:21 AM
The thing is when I start reving at about 5000 my car trys to shut off but I think it is an O2 and how many are there anyways? And it also starts doing the same thing as I am slowing down almost as if it doent know how much gas to send to the engine. The mechanic said one O2 sensor wasn't working properly but I dint want anymore testing because it was costly
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