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HOMESERVICE MANUALSDODGE AND RAM1992CARAVAN FWD V6-201 3.3LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTHROTTLE POSITION SENSORTESTING AND INSPECTION
1992 Dodge and Ram Caravan FWD V6-201 3.3L

Throttle Position Sensor: Testing and Inspection

1992 Dodge and Ram Caravan FWD V6-201 3.3LSECTION Testing and Inspection

Note:
The following procedure tests the TPS only. To perform a complete test of the TPS and its circuitry, SEE Powertrain Management/Computers and Control Systems/Testing and Inspection/Procedures.

PROCEDURE

1. The TPS can be tested with a digital voltmeter. The center terminal of the TPS is the output terminal.

2. With the ignition key in the ON position, check the TPS output voltage at the center terminal wire of the connector. Check this at idle (throttle plate closed), and at wide open throttle (WOT).

^ At idle, TPS output voltage should be approximately one volt. The output voltage should increase gradually as the throttle plate is slowly opened from idle to WOT.

^ At wide open throttle, TPS output should be approximately 4.5 volts.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.