EPA test shows P0170 Fuel Trim (Bank 1) and P0173 Fuel TRiim Malfunction(Bank 2)
What are these mean and how to fix its.
98 ml 320
Aug 18, 2004
1 Replies
EPA test shows P0170 Fuel Trim (Bank 1) and P0173 Fuel TRiim Malfunction(Bank 2)
What are these mean and how to fix its.
Might simply be that your gas cap was lose. Tighten it and drive about 100 miles or so to see if the warning light will go off.
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