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1997 Pontiac Firefly, Injector Waveform
the top image is simply injector current at 10mv per amp the bottom image is something interesting, we see the difference in voltage when the inj fires across the power resistor that is in series with the injector feed.
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| Engine | 1.3 L / 4 cyl / GAS |
| Trans | 3-speed AutomaticTransaxle (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Known Good |
References
Vehicle Data
1997 Pontiac Firefly 1.3L
| Engine | 1.3 L / 4 cyl / GAS |
| Trans | 3-speed AutomaticTransaxle (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Known Good |
Video