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2003 Ford Expedition, ECM/Inputs/Outputs Waveform
This screen capture is of the PATS circuits Tx (channel B at top) and Rx (channel A). At the time of the screen capture the engine would not crank and the Security light was flashing very fast. A very poor (burnt) connection for the Power Relay in the inside F...
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| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | Other |
| Condition | Known Bad |
Vehicle Data
2003 Ford Expedition Eddie Bauer 5.4L
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | Other |
| Condition | Known Bad |
Video