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Home >> Ford >> 2002 >> Excursion 2WD V8-7.3L DSL Turbo VIN F >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Accelerator Pedal Position Sensor >> Description and Operation >> Idle Validation Switch
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Idle Validation Switch

Idle Validation Switch
The idle validation switch signals the PCM that the accelerator pedal is in the idle position.

A PCM detected/ETC IVS Switch will illuminate the Malfunction Indicator Lamp. An inoperative ETC/IVS Switch detected by the PCM will only allow the engine to run at idle.
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