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1991 Geo Tracker, Injector Waveform
Battery voltage is supplyed to the fuel injector from the ECM, which is a pulse width modulated signal. When the fuel injector current reaches 3 amps, the ECM will pulse battery voltage to the fuel injector to maintain injector current between 1 to 1.5 amps.
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| Engine | 1.6 L / 4 cyl |
| Subsystem | Fuel Supply |
| Component | |
| Condition | Known Good |
Vehicle Data
1991 Geo Tracker 1.6L
| Engine | 1.6 L / 4 cyl |
| Subsystem | Fuel Supply |
| Component | |
| Condition | Known Good |
Video