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1987 Chevrolet C1500, CKP Sensor Waveform
Dual chanel overlayed. wider pulse is with set timing connector disconnected (module unloaded). Narrow pulse is with module loaded (set timing connector connected). Notice more than 50% clipping of the DREF signal. This engine recieved a new distributor to fix...
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| Engine | 5.7 L / 8 cyl |
| Subsystem | Ignition |
| Component | |
| Condition | Known Bad |
Vehicle Data
1987 Chevrolet C1500 5.7L
| Engine | 5.7 L / 8 cyl |
| Subsystem | Ignition |
| Component | |
| Condition | Known Bad |