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Re: resetting ford flex fuel percentage
Posted to Technical Discussion Forum on 4/6/2023 5 Replies

Thanks. Fuel pressure stays at 55psi and MAF appears to be correct. Has had 2 new MAF sensors and the one on it now is OEM. No updated program available. I haven't smoked the intake or exhaust to look for false air leaks, but looking at fuel trim I wouldn't su... Login to read more.

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