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1997 Jeep Grand Cherokee Laredo, ECM/Inputs/Outputs Waveform
This shows number 3 compression with numbe 3 firing and injector on time. It looks like the inj is on during the exhaust stroke .Unsure why this is ?This vehicle had a severe ping especially when hot.
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| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Unknown |
Vehicle Data
1997 Jeep Grand Cherokee Laredo 4.0L
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Unknown |
Video