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1991 Ford F-150 Custom, Ignition - Secondary Waveform
Both captures were at 40-45 mph while truck was exhibiting misfires. The blue one represents what all the secondary patterns pretty much looked like. The red capture was taken after introducing some carb spray into a vacuum port on the intake. At that time the...
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| VIN | 1FTDF15YXM |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component |
References
Vehicle Data
1991 Ford F-150 Custom 4.9L
| VIN | 1FTDF15YXM |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component |
Video