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1991 Pontiac Grand Prix, Injector Waveform
Sharp current rise shows shorted [...] injectors. Vin T engine fires all injector at once. Current probe is at single injector fuse.
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| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle |
| Delivery | Fuel Injection |
| Subsystem | Fuel Supply |
| Component | |
| Condition | Known Bad |
References
Vehicle Data
1991 Pontiac Grand Prix SE 3.1L
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle |
| Delivery | Fuel Injection |
| Subsystem | Fuel Supply |
| Component | |
| Condition | Known Bad |
Video