P0155 Diagnostic Trouble Code Discussion for February 2019
Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Performance
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| Help Request | Posted | |
| 2005 Chevrolet Express 3500 6.0L Excessive Emissions, Misfire, MIL Lamp on VIN: 1GAHG35U05 P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Performance. 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... |
February 21, 2019 |
