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International Automotive Technicians Network
Re: Fuel Pressure and a P0171,P0174
Posted to Technical Discussion Forum on 1/27/2014

Martin,

A common problem with flex fuel is that if an engine is changed sometimes the injectors do not get swapped back to the larger flex fuel injectors. Is it possible this has regular gas injectors? I have also seen gunk in the fuel rails cause low volume... Login to read more.