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Home >> BMW >> 1987 >> 535is Automatic, 4HP22EH >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> MOTRONIC CEC System >> Testing >> Test 9: Airflow Sensor
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Test 9: Airflow Sensor

  1. Check that sensor is properly installed and firmly seated. Ensure that sensor plate moves freely.
  2. Run L-Jetronic TEST 4: COLD START VALVE  to check air flow value. If value is incorrect, repair wiring. Check resistance at terminals No. 7 and 9 of sensor. Resistance should be checked with sensor plate in several different positions.