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TPS Inspection

  1. Disconnect TPS connector. Using hand vacuum pump, apply 20 in. Hg vacuum to throttle opener to move throttle lever to idle position. Using ohmmeter, check resistance between upper and lower terminals of TPS connector with proper shim thickness gauge inserted between throttle valve lever and stop screw. See Figure . Refer to the THROTTLE POSITION SENSOR (TPS) RESISTANCE  table.
  2. If TPS inspection results are not within specification, adjust TPS. Replace TPS if it cannot be adjusted to specification.
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