P2190 Diagnostic Trouble Code Discussion for June 2023
Fuel Trim System Too Rich At Idle Adaptive (Bank 2)
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| Help Request | Posted | |
| 2010 Buick LaCrosse CXS 3.6L MIL Lamp on VIN: 1G4GE5EVXA P2190: bank two rich at idle. first time this car came in, we found the evap purge solenoid seepingpast the closed valve, replaced.reset fuel trim, and gave it back.within a few days, light was back on. brought it back in, found the fuel rail pressure would begin dropping as soon as th... |
June 21, 2023 | |
| 2010 Buick LaCrosse CXS 3.6L MIL Lamp on VIN: 1G4GE5EVXA P2190: bank two rich at idle. first time this car came in, we found the evap purge solenoid seepingpast the closed valve, replaced.reset fuel trim, and gave it back.within a few days, light was back on. brought it back in, found the fuel rail pressure would begin dropping as soon as th... |
June 22, 2023 |
