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1991 Jeep Comanche, Ignition Waveform
CKP, CMP, #1 Injector, and coil secondary. CKP to crank relationship was tested with a timing light, spark on #1 occurred at 4 degrees BTDC according to the balancer mark, which was previously verified to be at TDC.
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| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | , |
| Condition | Unknown |
References
Vehicle Data
1991 Jeep Comanche 4.0L
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | , |
| Condition | Unknown |
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