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1991 Pontiac Grand Prix, Injector Waveform
Same car with new ECM and 2 injectors. Only symptom had been very rough idle.
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| Engine | 3.1 L / 6 cyl |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Known Good |
References
Vehicle Data
1991 Pontiac Grand Prix 3.1L
| Engine | 3.1 L / 6 cyl |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Known Good |
Video