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Re: LEAN P0171 & P0174
Posted to HD/Fleet Forum on 5/31/2018 6 Replies

Would like to see your fuel trims. Wonder if your just seeing the permanent codes that aren't clearing.

With a upfitted truck with a broom on it, I could see where it may get driven a fair amount without hitting the criteria of a drive cycle that would clear... Login to read more.

6 Replies Received (View Replies)