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1996 GMC C3500 Sierra SL 7.4L Misfire
Hi, Started working on this truck with a complaint of "smelly exhaust" and check engine lamp on. Scan test showed P0300 and P0305 logged in freeze frame data. Freeze frame showed misfire was a cruise, 61 mph @ 2300 rpm. Misfire counter goes into the thou...
FIX posted 3/27/2018
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Related Documents & Media | VIN | 1GDJC34J9T |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Always, @2300 RPM |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0305 | Cylinder 5 Misfire Detected |
Message Closed
Vehicle Data
1996 GMC C3500 Sierra SL
| VIN | 1GDJC34J9T |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Always, @2300 RPM |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0305 | Cylinder 5 Misfire Detected |
Video