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Home >> BMW >> 1982 >> 633CSi Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> BMW MOTRONIC Emission Control System >> Testing >> Test 8: Air Flow Sensor
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Test 8: Air Flow Sensor

  1. Check that sensor is properly installed and firmly seated. Ensure that sensor plate moves freely.
  2. Run L-Jetronic test 4 to check air flow value. If value is incorrect, repair wiring. Check resistance at terminals 7 and 9 of sensor. Resistance should be checked with sensor plate in several different positions.