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Home >> GMC >> 1998 >> Forward Control 6.5 F >> Repair and Diagnosis >> Engine Performance >> Engine Adjustments - 6.5L Turbo Diesel >> Throttle Position (TP) Sensor
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Throttle Position (TP) Sensor

Throttle control is electronic with no mechanical link from engine to accelerator pedal. PCM monitors position of accelerator pedal based on signals from a nonadjustable Accelerator Pedal Position (APP) module. APP module is mounted above accelerator pedal.