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Re: Lean codes P0171/P0174
Posted to Technical Discussion Forum on 11/14/2024 1 Reply

Great post Eric.

I'll just add that Chrysler scanners usually make this easy, there's a page that shows all the various RPM/MAP cells. If you see high positive trims in the higher load/higher RPM cells, it was almost a slam dunk on a fuel pump or filter res... Login to read more.

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