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2002 GMC Sonoma SLS 4.3L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on
misfires only on left bank, no misfires on right happes through rpm range only has one cat for vehicle, short term fuel trim +35 lg term -8 injector pulse width running for right bank4.7 for left bank 8.9 at idle. Why the difference and why oly one bank misfir...
FIX posted 9/10/2012
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Message Closed w/FIX
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Related Documents & Media | VIN | 1GTDT13W12 |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / cfi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0440 | EVAP System Leak Detected |
Message Closed w/FIX
Vehicle Data
2002 GMC Sonoma SLS
| VIN | 1GTDT13W12 |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / cfi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0440 | EVAP System Leak Detected |
Video