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1989 Jeep Wagoneer, CKP Sensor Waveform
CKP is an A/C generator, this voltage waveform is taken at idle. The spaced section repeats every 20 pulses, and should be every 120 degrees of crank rotation. Note voltage is much higher idling than cranking. If worried about a cranking problem check for inje...
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| VIN | 1J4FT58L7K |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Known Good |
Vehicle Data
1989 Jeep Wagoneer Limited 4.0L
| VIN | 1J4FT58L7K |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Known Good |
Video