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2001 Pontiac Sunfire SE, ECM/Inputs/Outputs Scan Data
This chart shows that the PCM is maxing out the trims due to a failed front O2 sensor. The rear sensor shows that the mixture is really rich but the software can't figure it out.
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| Engine | 2.2 L / 4 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Known Bad |
Vehicle Data
2001 Pontiac Sunfire SE 2.2L
| Engine | 2.2 L / 4 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Known Bad |
Video