catalytic converter

  1. Bao N

    Any help Locating o2 sensors?

    Hey all, I have the codes p0420, and other fuel trim bank codes, telling me that my engine is running lean and all that sorts of stuff. I previously had a problem with misfires that was simply fixed with wires and spark plugs, my previous ones only lasted about 10k miles(what a shame). Well, I...
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