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Re: Not Quite sure what to make of this one. P0171/174
Posted to Technical Discussion Forum on 5/24/2011

I gotta lean towards what Josh and Jonathon are thinking about fuel delivery on this one.

I had a Mustang SVO in that had sat for some time and it took a couple of injector cleaning sessions and some fresh fuel to get the trims back in line. It would idle fi... Login to read more.