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1990 Chevrolet Lumina, IC Circuit Waveform
Here Iam checking the ICM(ignition control module) IC control circuit (EST) backprobing the(white wire) with the engine running.
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| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | |
| Condition | Known Good |
Vehicle Data
1990 Chevrolet Lumina Euro 3.1L
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | |
| Condition | Known Good |
Video