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2002 Subaru Impreza WRX 2.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on
subaru tech, please help on this one. car came in with system too lean and misfire code. LTFT 14.8% STFT 17.2% road test vehicle, car loss power, turbo doesn't kick in like the way it suppose to [...] trim keep going up after we erease dtc. install smoke machi...
FIX posted 6/18/2009
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Related Documents & Media | VIN | JF1GD29632 |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Misfire, MIL Lamp On |
| Occurs | Always, Under Load, Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0204 | Fuel Injector 4 Circuit Malfunction |
| P0301 | Cylinder 1 Misfire Detected |
| P0302 | Cylinder 2 Misfire Detected |
| P0303 | Cylinder 3 Misfire Detected |
| P0304 | Cylinder 4 Misfire Detected |
Message Closed w/FIX
Vehicle Data
2002 Subaru Impreza WRX
| VIN | JF1GD29632 |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Misfire, MIL Lamp On |
| Occurs | Always, Under Load, Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0204 | Fuel Injector 4 Circuit Malfunction |
| P0301 | Cylinder 1 Misfire Detected |
| P0302 | Cylinder 2 Misfire Detected |
| P0303 | Cylinder 3 Misfire Detected |
| P0304 | Cylinder 4 Misfire Detected |
Video