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Re: P0420 and fuel economy: Huh?
I can see your theory if there were an odd man out tire on one wheel, but no WAY if all 4 are the same size. Perhaps you'd like to explain to me how the car would know the difference with all 4 of the same make, model, and size? Login to read more. ![]()
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23 Replies Received
23 Replies Received