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2001 Chevrolet Express 1500 4.3L Hesitation, Misfire, MIL Lamp on
This one has got me stumped. Customer complaint is MIL on and pinging noise under load or at highway speeds. Test drive vehicle, with Tech II scan tool, and watch misfire data. Found that cylinder #2 is misfiring on scan tool but no noticable misfires are felt...
FIX posted 7/2/2007
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Message Closed w/FIX
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24 Replies Received
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Related Documents & Media | VIN | 1GCEG15W81 |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / csfi |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, Misfire, MIL Lamp On |
| Occurs | Hot, on Accel |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0302 | Cylinder 2 Misfire Detected |
| P0335 | Crankshaft Position Sensor 1 Circuit Malfunction (No Signal) |
Message Closed w/FIX
Vehicle Data
2001 Chevrolet Express 1500
| VIN | 1GCEG15W81 |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / csfi |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, Misfire, MIL Lamp On |
| Occurs | Hot, on Accel |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0302 | Cylinder 2 Misfire Detected |
| P0335 | Crankshaft Position Sensor 1 Circuit Malfunction (No Signal) |
Video