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Home >> Ford >> 1991 >> Bronco 4.9 Y, Standard, M5OD-R2 >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Input Devices >> Throttle Position Sensor (TPS)
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Throttle Position Sensor (TPS)

Mounted on throttle body at throttle plate rod, TPS monitors throttle plate opening. The TPS signal to ECA is proportional to throttle opening angle. The TPS signal affects air/fuel ratio, injector timing, idle speed, EGR flow and fuel pressure. If TPS system malfunctions, Code 12 will be set in ECA memory.

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