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2001 GMC Sierra 1500 SL 4.8L Poor Idle Quality, Misfire
This one came in with a rough unstable idle complaint... I checked it when it came in and had a P0171 and P0174 lean codes.... sprayed carb cleaner around looking for a vacum leak and noticed my long term seemed to change when I soaked the intake runner so I t...
FIX posted 1/5/2007
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Message Closed w/FIX
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22 Replies Received
22 Replies Received
Related Documents & Media | VIN | 2GTEC19V51 |
| Engine | 4.8 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Cold |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2001 GMC Sierra 1500 SL
| VIN | 2GTEC19V51 |
| Engine | 4.8 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Cold |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
| P0300 | Multiple Misfire Detected |
Video