P2190 Diagnostic Trouble Code Discussion for May 2023
Fuel Trim System Too Rich At Idle Adaptive (Bank 2)
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| Help Request | Posted | |
| 2010 Buick LaCrosse CXS 3.6L Excessive Emissions, MIL Lamp on VIN: 1G4GE5EVXA P2190: fuel trim rich at idle bank 2. vehicle came in for cel on, customer stated no drivability issues. retrieved listed codes, replaced air filter, and cleaned maf, no change. tested purge solenoid, found it not completely sealing, and replaced. checked high side fuel pressure on scanner, sh... |
May 18, 2023 | |
| 2010 Buick LaCrosse CXS 3.6L Excessive Emissions, MIL Lamp on VIN: 1G4GE5EVXA P2190: fuel trim rich at idle bank 2. vehicle came in for cel on, customer stated no drivability issues. retrieved listed codes, replaced air filter, and cleaned maf, no change. tested purge solenoid, found it not completely sealing, and replaced. checked high side fuel pressure on scanner, sh... |
May 19, 2023 |
