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2000 Saturn SL1, CMP Sensor Waveform
the CMP signal should always fall coincident with Cylinder #4 firing on compression. Occassionally the CMP may rise at odd times but this is normal. The only information the PCM looks at is the falling edge of CMP.
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| Engine | 1.9 L / 4 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Known Good |
References
Vehicle Data
2000 Saturn SL1 1.9L
| Engine | 1.9 L / 4 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Known Good |
Video