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2006 Chevrolet Express 3500 4.8L Misfire
miss fire all times, mostly on cylinders 1,6,7 some times 8... on idle or accel all times, checked compression, leak down, back pressure, spark, injecters pulse, noid lights test, all normal or good, smoked intake for leaks none found, fuel trim...LT #1 25% LT...
FIX posted 9/23/2014
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Message Closed w/FIX
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33 Replies Received
33 Replies Received
Related Documents & Media | VIN | 1GBHG31V56 |
| Engine | 4.8 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / efi |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Always, on Accel, Idle |
| Misc. | P0300 Po420 P0171 |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0300 | Multiple Misfire Detected |
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
2006 Chevrolet Express 3500
| VIN | 1GBHG31V56 |
| Engine | 4.8 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / efi |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Always, on Accel, Idle |
| Misc. | P0300 Po420 P0171 |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0300 | Multiple Misfire Detected |
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Video