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Rich code with positive fuel trims?
Posted to Technical Theory Forum on 1/16/2007 13 Replies

Hello all,

Yesterday I was given a MIL on ticket on a 2000 Honda Passport 3.2L. Pulling codes revealed a P0171: Bank 1 Lean and P0172: Bank 1 Rich. I've seen that before with bad O2 sensors so it didn't bother me that much until I pulled the FF data.

The f... Login to read more.

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