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1987 Buick LeSabre, CKP Sensor, CMP Sensor Waveform
Here is the cam and crank signal relationship as it should be. Since this is a mechanical relationship, any deviation from this relationship means timing chain trouble. This is a quick and easy way to check the chain on these.
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| Engine | 3.8 L / 6 cyl |
| Subsystem | ECM/Inputs/Outputs |
| Component | , |
| Condition | Known Good |
Vehicle Data
1987 Buick LeSabre 3.8L
| Engine | 3.8 L / 6 cyl |
| Subsystem | ECM/Inputs/Outputs |
| Component | , |
| Condition | Known Good |
Video