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1999 GMC Yukon SLT 5.7L Excessive Emissions, Poor Idle Quality, MIL Lamp on
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....
FIX posted 11/20/2015
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Related Documents & Media | VIN | 1GKEK13R8X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, MIL Lamp On |
Trouble Codes
| P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction |
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
1999 GMC Yukon SLT
| VIN | 1GKEK13R8X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, MIL Lamp On |
Trouble Codes
| P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction |
| P0300 | Multiple Misfire Detected |
Video