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Re: P0171, P0174
Posted to Technical Discussion Forum on 4/13/2012 2 Replies

Rudy, keep in mind that you are working on a Honda speed density system. They are very picky about MAP. Manifold Absolute Pressure. If the MAP is even a very little bit low, your trims will be what you have. I wouldn't get too wound up watching the AFR sensors... Login to read more.

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