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International Automotive Technicians Network
Re: P0171 P0174
Posted to Technical Discussion Forum on 4/9/2017

Thanks for all the replies.

Im going tho call it fixed based on truck [...] has 470,000 on it with a replaced motor. Smoke tested in AM stone [...] smoke coming from the intake manifold tuning valve located below the alternator. No amount of propane or carb... Login to read more.