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1997 Ford F-150, Ignition - Primary Waveform
This truck had a light misfire, no codes. Found misfire with Mode 6 and then scoped the primary. Note second and third humps are shorter- not enough current to make the sparks.
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| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | |
| Condition | Known Bad |
Vehicle Data
1997 Ford F-150 5.4L
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | |
| Condition | Known Bad |
Video