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Crankshaft Position Sensor: MR2

  1. Remove lower front engine cover. Remove A/C compressor for access to crankshaft position sensor. It may be necessary to discharge A/C system for removal of A/C compressor. Crankshaft position sensor is located on front of timing chain cover, near crankshaft pulley. See Figure.
  2. Disconnect crankshaft position sensor electrical connector. Using ohmmeter, check resistance between electrical terminals on crankshaft position sensor electrical connector. Ensure crankshaft position sensor resistance is within specification. See CRANKSHAFT POSITION SENSOR RESISTANCE  table. Replace crankshaft position sensor if resistance is not within specification. See CRANKSHAFT POSITION SENSOR under IGNITION SYSTEMS in REMOVAL & INSTALLATION - 4-CYLINDER article. Reinstall crankshaft position sensor electrical connector and A/C compressor. Tighten A/C compressor retaining bolts to 18 ft. lbs. (24 N.m). Install lower front engine cover.
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