P0172 Diagnostic Trouble Code Discussion for November 2026
Fuel System Rich (Bank 1)
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| Help Request | Posted | |
| 2020 Ford F-150 XL 5.0L Lack of power VIN: 1FTMF1E55L P0172: Fuel trim rich bank 2. ... chains, guides, tensioners, actuators, soledoids and spark plugs with ford parts. Had timing codes about a month ago. Everything went well, ran great. Customer returned about a month/1000 miles later with cel on w/ p0172 code. Fuel trim is rich on both... |
November 09, 2026 |
