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Re: Fuel trim adds fuel with lean code
Posted to Technical Discussion Forum on 4/21/2020 6 Replies

Thank ALL of you for your replies. After more testing and digging we deemed the PCM had a brain fart. And yes this car had some engine work done and PCM tuning. A PCM reflash got its marbles back in the right place. Thanks again and stay safe! Login to read more.

6 Replies Received (View Replies)