When did I ever say, "Get the free CEL scan then buy what they tell you to buy and that will fix the problem"? Did I not just say, "STOP throwing parts at it..."?
The code tells you where your problem is located, then you go there and diagnose it yourself and/or research what could help you...
So, I just swapped the dreaded 3.7L Powertech V6 (-_-) in my KJ after it threw a bearing. It's working great now. But I'm getting an O2 CEL code because when I was pulling the old motor, all four wires from the driver side upstream(before the cat) O2 sensor's wire harness came out, and I don't...
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