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Home >> Volkswagen >> 1989 >> Fox Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Theory/Operation >> Computerized Engine Controls >> Control Unit >> Electronic Control Unit (ECU)
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Electronic Control Unit (ECU)

ECU is found behind plenum panel on driver's side of vehicle. ECU must not be exposed to temperatures above 180°F (85°C). ECU unit utilizes various input signals to control fuel delivery.