
2005 Chevrolet Express 3500 6.0L Excessive Emissions, Misfire, MIL Lamp on
Van runs ok in park. Put it in gear and power drops and it starts to misfire on all cylinders on bank 2. Dropped cat and still had same result. While watching scan tool noticed that B2S1 O2 would go to 1100 mv when van was in neutral or drive. In all other...
FIX posted 2/26/2019
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Message Closed w/FIX
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VIN | 1GAHG35U05 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / sefi |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Misfire, MIL Lamp On |
Occurs | In Gear |
Trouble Codes
P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction |
P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2005 Chevrolet Express 3500
VIN | 1GAHG35U05 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / sefi |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Misfire, MIL Lamp On |
Occurs | In Gear |
Trouble Codes
P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction |
P0300 | Multiple Misfire Detected |