Mopar 33004650 Throttle Position Sensor

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Information sensors provide data on engine conditions, aiding in fuel economy and emission reduction. The oxygen sensor in the exhaust manifold measures oxygen content in the exhaust, adjusting the fuel/air mixture. The knock sensor detects engine detonation, retarding ignition timing. The coolant temperature sensor monitors temperature for fuel/air mixture adjustments. The manifold absolute pressure sensor reads pressure changes to vary the air/fuel mixture. The manifold air temperature sensor measures air temperature for fuel/air adjustments. The crankshaft position sensor detects engine speed for ignition timing and fuel control. The vehicle speed sensor determines vehicle speed.

To work on the idle speed stepper motor, follow these steps:a. Disconnect the negative battery cable.b. Unplug the wire connector.c. Remove the retaining screws.d. Pull off the motor.

The engine coolant temperature sensor is responsible for monitoring the temperature of the engine coolant. It is tested by measuring its resistance when the engine is cold and when it's warm. A significant difference in resistance between these two states could indicate a failure of the sensor.

Disconnect the harness connector and remove the throttle return spring.