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1999 Ford F-150 XL, Ignition Waveform
This truck came in with a misfire. During testing the misfire was noticeable at about 1500 RPM. It was not misfiring at idle, or on heavy acceleration. When the EGR vacuum line was unhooked the misfire was gone. The EGR runners in the intake manifold needed to...
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| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | Other |
| Condition | Known Bad |
Vehicle Data
1999 Ford F-150 XL 4.2L
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | Other |
| Condition | Known Bad |
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