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Home >> Dodge and Ram >> 1998 >> Caravan Base, 3.3 R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - 3.0L >> Engine Sensors & Switches >> Sensors >> Throttle Position Sensor

Throttle Position Sensor

  1. Remove components for access to electrical connector at Throttle Position (TP) sensor mounted on throttle body. With electrical connector installed on TP sensor, turn ignition on with engine off. DO NOT start engine.
  2. Using digital volt-ohmmeter, measure voltage at center terminal (Orange/Dark Blue wire) on electrical connector for TP sensor with throttle valve closed (idle position). Voltage should be .38-1.20 volts.
  3. Slowly open throttle to full throttle and note voltage reading. Voltage should smoothly increase to 3.10-4.40 volts. If TP sensor or wiring circuit failure exists, a Diagnostic Trouble Code (DTC) will be stored in Powertrain Control Module (PCM). See appropriate TESTS W/CODES article.
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