halkett

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Question Asked: diagnosis ,either AF sensor or oxy sensor defective. How to find which one?
May 20, 2014, 02:28 PM
The check engine light stays on and computer stated that either the AF sensor or the oxy sensor in front of the catalytic convertor is defective. Do I have to buy both or is the a way of determining which of the 2 components has to be replaced.
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