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Re: 2012 Ford Focus 2.0 DOHC non Flex Fuel P0171
Posted to Technical Discussion Forum on 8/28/2015 4 Replies

Thanks again Robby, mainly a new Purge valve did correct this problem, I did also cleaned MAF, Fuel Injector flush, and Intake flush due carbon build up, I was expecting rich fuel trims not lean fuel trims from defect Purge valve, neither SFT and LFT go opposi... Login to read more.

4 Replies Received (View Replies)