P0172 Diagnostic Trouble Code Discussion for May 2025
Fuel System Rich (Bank 1)
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| Help Request | Posted | |
| 2016 Chevrolet Suburban LT 5.3L MIL Lamp on VIN: 1GNSCHKC4G P0172&175 fuel trims showing -25 to -30 all speeds- removed pcv hose in case of oil contamination, pulled purge system fuel tank hose, still shows same- was told to ground lt green/white wire at MAF to keep it out of the circuit and run on other data..... |
May 01, 2025 | |
| 2018 Ram 1500 Lone Star 5.7L MIL Lamp on VIN: 1C6RR6LT1J P0172: Bank 1 Rich. ... Apparently it has been to every other shop in town so I guess now it's my turn. Vehicle came in MIL on codes P0172 & P0175 bank 1 & bank 2 rich. STFT B1 -6.2, LTFT B1 -17.9, STFT B2 -5.4, LTFT B2 -19.5 Fuel pressure sensor read 57.8 psi. Manual... |
May 07, 2025 | |
| 2018 Ram 1500 Lone Star 5.7L MIL Lamp on VIN: 1C6RR6LT1J P0172: Bank 1 Rich. ... Apparently it has been to every other shop in town so I guess now it's my turn. Vehicle came in MIL on codes P0172 & P0175 bank 1 & bank 2 rich. STFT B1 -6.2, LTFT B1 -17.9, STFT B2 -5.4, LTFT B2 -19.5 Fuel pressure sensor read 57.8 psi. Manual... |
May 14, 2025 |
