failed emissions
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Joined: Aug 2008
Posts: 37,375
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From: Frederick, MD
p0170 is a fuel trim bank 1
p0172 is a fuel trim too rich bank 1.
You probably need to scan for more codes with a better scanner.
What year is the truck? It may still be under warranty, you can take the paper it with the codes.
p0172 is a fuel trim too rich bank 1.
You probably need to scan for more codes with a better scanner.
What year is the truck? It may still be under warranty, you can take the paper it with the codes.
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