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2003 Pontiac Grand Prix GT, Emissions Waveform
Downstream O2 Sensor Heater circuit, checking PWM of ground. Shows good driver in PCM
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| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | Emissions |
| Component | |
| Condition | Known Good |
Vehicle Data
2003 Pontiac Grand Prix GT 3.8L
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | Emissions |
| Component | |
| Condition | Known Good |
Video