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Home >> Ford >> 1991 >> Aerostar Van Window, 4.0 X >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Throttle Position Sensor (TPS) Adjustment
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Throttle Position Sensor (TPS) Adjustment

NOTE: Throttle Position Sensor (TPS) on gasoline engines is not adjustable. Replace TPS if sensor is not within specifications.
TPS VOLTAGE SPECIFICATIONS (1)

Application Idle Wide Open Throttle
2.3L, 2.9L (2),
3.0L & 4.0L 0.20 4.84
2.9L (3), 4.9L,
5.0L, 5.8L & 7.5L 0.34 4.84
(1) Minimum and maximum specifications are given.
(2) Vehicles equipped with mass airflow sensor only.
(3) Except vehicles equipped with mass airflow sensor.
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