
2003 Chevrolet Suburban 2500 LS 6.0L MIL Lamp on
At idle the long term trim is 0 to 2. The O2 sensors cycle rich and lean correctly. With my Genisys reading long term trim on a test drive, the LT trim goes up to 25 on both banks after accelerating for 4 seconds. It goes back down when you stop accelerating t...
FIX posted 12/9/2011
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Message Closed w/FIX
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VIN | 3GNGC26U53 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | On Accel |
Trouble Codes
P0101 | Mass Airflow Sensor Range/Performance |
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
2003 Chevrolet Suburban 2500 LS
VIN | 3GNGC26U53 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | On Accel |
Trouble Codes
P0101 | Mass Airflow Sensor Range/Performance |
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |