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2001 GMC Sonoma SLS 4.3L Misfire, MIL Lamp on
This GMC shows that there is a misfire on cylinder 4 as soon as the truck is raised off idle. The misfire counter counts rapidly on cylinder 4 above about 1400 rpm, when the engine speed is held steady. It does not count when idling or when revving quickly and...
FIX posted 1/5/2010
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Message Closed
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18 Replies Received
Related Documents & Media | VIN | 1GTCS14W01 |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Above 1400 RPM |
Trouble Codes
| P0304 | Cylinder 4 Misfire Detected |
Message Closed
Vehicle Data
2001 GMC Sonoma SLS
| VIN | 1GTCS14W01 |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Above 1400 RPM |
Trouble Codes
| P0304 | Cylinder 4 Misfire Detected |
Video