P0155 Diagnostic Trouble Code Discussion for November 2015
Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Performance
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| Help Request | Posted | |
| 1999 GMC Yukon SLT 5.7L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 1GKEK13R8X P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. has anybody got any ideas for us we changed the head gasket and we have this 5 7 miss and it doesn't appear to be electrical and the vacuum seams tight. looking for help/ideas would be appreciated. It is running O K on bank 1 and bank two is running very rich.... |
November 14, 2015 |
