P0172 Diagnostic Trouble Code Discussion for July 2020
Fuel System Rich (Bank 1)
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| Help Request | Posted | |
| 2014 Ford F-150 XLT 3.5L MIL Lamp on VIN: 1FTFW1ET1E P0172: Sytem rich B1. Have code P0172. LTFT B1 is -17 and B2 is -10 at idle and at cruise. STFT are both around 0. Resetting KAM had no effect. No flex fuel. My engine vacuum both on the scan tool and my vac gauge are both reading about 14.5 inhg which is low for most engines. ... |
July 16, 2020 |
