TPS Adjustment

1994 Plymouth Colt Base, 2D Sedan, Standard, F5M22SECTION TPS Adjustment
NOTE: Ensure basic idle speed is set to specification before adjusting TPS. See BASIC IDLE SPEED  under IDLE SPEED & MIXTURE. Perform all adjustments with engine at normal operating temperature, front wheels in straight-ahead position, cooling fan and all accessories off, and transmission in Park or Neutral.
TPS SPECIFICATIONS

Application (1) Volts
All Models .3-1.0
(1) At idle.
  1. Disconnect TPS connector. Using external ohmmeter, measure resistance between TPS terminals No. 3 and 4. See Fig 1 . Insert .025" (.65 mm) feeler gauge between fixed speed adjusting screw and throttle lever.
  2. Loosen TPS mounting screws and rotate TPS fully clockwise. Ensure there is continuity between terminals No. 3 and 4. Rotate TPS counterclockwise until there is no continuity and tighten screws. Install Test Harness (MB991348) between TPS and harness connector.
  3. Turn ignition on. Using external voltmeter, measure TPS output voltage between terminals No. 2 and 4. See TPS SPECIFICATIONS  table. If voltage is not within specification, check harness and sensor. See SYSTEM/COMPONENT TESTS article.
    Fig 1: Identifying TPS Connector
    G93I78137Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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.