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1992 Chevrolet Lumina APV 3.8L Poor Idle Quality, Misfire, backfire
this vehicle has a misfire under light load at highway speeds. When running vehicle in park engine backfires intermittantly. I have checked the fuel pressure and scope tested the engine and I have noticed the the fuel pressure is about 5 psi below specs. I was...
FIX posted 10/11/2002
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Related Documents & Media | VIN | 1GNDUO6L3N |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / multi point injection |
| Symptoms | Poor Idle Quality, Misfire, Backfire |
| Occurs | Hot, Under Load, Idle |
Message Closed w/FIX
Vehicle Data
1992 Chevrolet Lumina APV
| VIN | 1GNDUO6L3N |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / multi point injection |
| Symptoms | Poor Idle Quality, Misfire, Backfire |
| Occurs | Hot, Under Load, Idle |
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