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2001 Chevrolet Silverado 1500 5.3L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on
Truck came in with code P0140 changed b1s2 o2 sensor. came back soon after with codes as above. Checked cat converter for pluged Clean and Clear, could not find vacuum leak at intake with carb clean. Plugs all look good. Missfire monitor 1,3,5,7. Sometimes idl...
FIX posted 2/9/2006
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Related Documents & Media | VIN | 1GCEK14T81 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Misfire, MIL Lamp On |
| Occurs | Cold, Hot, Cruise, Idle, After a Hot Soak, Intermittently |
Trouble Codes
| P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage |
| P0140 | Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity Detected |
| P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage |
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2001 Chevrolet Silverado 1500
| VIN | 1GCEK14T81 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Misfire, MIL Lamp On |
| Occurs | Cold, Hot, Cruise, Idle, After a Hot Soak, Intermittently |
Trouble Codes
| P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage |
| P0140 | Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity Detected |
| P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage |
| P0300 | Multiple Misfire Detected |
Video