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1988 Buick LeSabre, CMP Sensor Waveform
This was the signal from the ICM to ECM taken on wire C5 of the ECM. It shows there's firing events leaking through somehow. Mind you there's no Cam signal to ICM.
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| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | |
| Condition | Known Bad |
References
Vehicle Data
1988 Buick LeSabre Limited 3.8L
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | |
| Condition | Known Bad |
Video