P0172 Diagnostic Trouble Code Discussion for December 2024
Fuel System Rich (Bank 1)
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| Help Request | Posted | |
| 2005 Chevrolet Silverado 1500 4.8L Poor Idle Quality, MIL Lamp on VIN: 1GCEC19V25 P0172: Fuel Trim System Rich (Bank 1). Truck runs well cold. Truck starts hard and runs poor at idle hot. Idling low around 550 which is what data shows as desired. Truck has been then way for 40k miles (as long as customer had owned it) Data showing the truck running rich. Have tried new O2 se... |
December 31, 2024 | |
| 2005 Chevrolet Silverado 1500 4.8L Poor Idle Quality, MIL Lamp on VIN: 1GCEC19V25 P0172: Fuel Trim System Rich (Bank 1). Truck runs well cold. Truck starts hard and runs poor at idle hot. Idling low around 550 which is what data shows as desired. Truck has been then way for 40k miles (as long as customer had owned it) Data showing the truck running rich. Have tried new O2 se... |
December 31, 2024 |
