Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMITSUBISHI2004FE639 L4-3.9L DSL TURBOREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSACCELERATOR PEDAL POSITION SENSORDESCRIPTION AND OPERATION
2004 Mitsubishi FE639 L4-3.9L DSL Turbo
Accelerator Pedal Position Sensor: Description and Operation
2004 Mitsubishi FE639 L4-3.9L DSL TurboSECTION Description and Operation
STRUCTURE AND OPERATION
Accelerator switch
The accelerator switch is integrated in the accelerator pedal position sensor 7. It detects the pressing of accelerator pedal assembly 5.
Accelerator pedal position sensor
Accelerator pedal position sensor 7 detects the movement of the accelerator pedal assembly 5, and sends an electric signal to the electronic governor control unit. Lever 6 of the accelerator pedal position sensor is constantly pulled by the return spring towards idle position D.
Accelerator switch
The accelerator switch is integrated in the accelerator pedal position sensor 7. It detects the pressing of accelerator pedal assembly 5.
Accelerator pedal position sensor
Accelerator pedal position sensor 7 detects the movement of the accelerator pedal assembly 5, and sends an electric signal to the electronic governor control unit. Lever 6 of the accelerator pedal position sensor is constantly pulled by the return spring towards idle position D.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.