Passat GLS 4Motion V6-2.8L (ATQ) (2002)
Heated Oxygen Sensor (HO2S) (G39), bank 1 before catalytic converter 4-pin harness connector (black) (arrow).
Heated Oxygen Sensor (HO2S) 2 (G108), bank 2 before catalytic converter 4-pin harness connector (black) (arrow).
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Check oxygen sensor heater on connector to Heated Oxygen Sensor (HO2S) terminals 1 + 2 for continuity
Specification: max. 200 Ohms
If specified value is not obtained:
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Replace appropriate Heated Oxygen Sensor (HO2S).
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Cylinder bank 1 (G39) item 27
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Cylinder bank 2 (G108) item 18