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Engine Controls - Basic Testing: Adjustments Ford Aerostar I

IDLE MIXTURE ADJUSTMENT

Note. No idle mixture adjustments are possible on any models. See appropriate TESTS W/CODES article in the ENGINE PERFORMANCE Section for diagnosis of incorrect idle mixture.

THROTTLE POSITION SENSOR (TPS) ADJUSTMENT

Note. Throttle Position Sensor (TPS) on gasoline engines is not adjustable. Replace TPS if sensor is not within specifications.

ApplicationIdleWide Open Throttle
2.3L, 2.9L (2)
3.0L & 4.0L0.204.84
2.9L (3) , 4.9L
5.0L, 5.8L & 7.5L0.344.84
(1) Minimum and maximum specifications are given. (2) Vehicles equipped with mass airflow sensor only. (3) Except vehicles equipped with mass airflow sensor.
(1)Minimum and maximum specifications are given.
(2)Vehicles equipped with mass airflow sensor only.
(3)Except vehicles equipped with mass airflow sensor.

TPS VOLTAGE SPECIFICATIONS (1)

FUEL INJECTION PUMP LEVER (FIPL) SENSOR ADJUSTMENT

For Fuel Injection Pump Lever (FIPL) sensor adjustment, see ADJUSTMENTS article in the ENGINE PERFORMANCE Section.