LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volkswagen >> 1993 >> Fox Base, 1.8 A >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Computerized Engine Controls >> ECM Reference Setting (ECM Relearn Procedure) >> Fox 1.8L Digifant I (California)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fox 1.8L Digifant I (California)

  1. Ensure engine oil temperature is at least 176°F (80°C). Ensure all electrical loads are off, including A/C and radiator cooling fan.
  2. Ensure idle stabilizer valve vibrates or hums when ignition is on. Ensure intake and exhaust systems have no leaks. Disconnect crankcase ventilation hose from emission control valve and plug opening.
  3. Start engine and allow it to idle. With engine idling, disconnect Blue Engine Coolant Temperature (ECT) sensor. After one minute, reconnect ECT sensor after radiator cooling fan stops running. Turn ignition off. Reconnect crankcase ventilation hose. Erase fault codes if necessary.