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2017 Ford Fusion S 2.5L MIL Lamp on VIN: 3FA6P0G76H
Have a 2017 ford fusion that is not making sense to me. Came in showing lean - around 25%ltft. Shows +25 at idle, cruising, hard accell and all. checked for vacuum leaks including purge valve, nothing i can hear or with spray test. Tested Maf, looked fine ... Trouble codes: P0171
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