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1999 Chevrolet C2500 5.7L Poor Idle Quality, Misfire, MIL Lamp on
Bank 2 is running very lean the computer thinks. It has the short term at 50% and long term at 25% and O2 still reads 460 mV. Bank 1 is fine. The O2 was caked so I put in another Delco and same problem. Any help would be great, thanks, Bob.
FIX posted 11/7/2003
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Message Closed w/FIX
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| VIN | 1GCGC29ROX |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage |
| P0174 | Fuel System Too Lean (Bank 2) |
| P1153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching |
Message Closed w/FIX
Vehicle Data
1999 Chevrolet C2500
| VIN | 1GCGC29ROX |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage |
| P0174 | Fuel System Too Lean (Bank 2) |
| P1153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching |
9 Replies Received
9 Replies Received
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