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Re: Will this cause a P0420?
Posted to Technical Discussion Forum on 5/4/2010 2 Replies



Albin,

Did you check fuel trims before you replaced the tail pipe section? Those bends in those pictures don't show anything but rust. Usually on fresh bends the rust opens up a bit and you see freshly exposed inyards.

If you did record "before" trim nu... Login to read more.

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