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2001 GMC Sierra 1500 SL 4.3L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on
CUST CAME IN WITH A P0300. DID MAJOR TUNE UP. STILL HAD MISFIRES ON B2. CHECKED FUEL PRESSURE, COMPRESSION, AND INJECTOR BALANCE, AND TIMING. ALL OK. REPLACED CAM SENSOR DO TO CORROSION IN DISTRIBUTOR. REPLACED POPPETS FOR TSB UPGRADE TO MPFI INJECTORS. RECORD...
FIX posted 9/18/2007
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Related Documents & Media | VIN | 1GTEC14W41 |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2001 GMC Sierra 1500 SL
| VIN | 1GTEC14W41 |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0300 | Multiple Misfire Detected |
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