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If no wiring malfunction is found: z Replace Heated Oxygen Sensor (HO2S) before Three Way Catalytic Converter (TWC) -G39-, see item z Check DTC Memory, if necessary, repair any malfunctions and then Erase DTC Memory, see DTC z Read readiness code, see READINESS CODE, DISPLAYING . If DTC memory has been erased or Oxygen sensor and oxygen sensor control after Three Way Catalytic Converter (TWC), checking Special tools, test equipment and auxiliary items z VAG 1551 scan tool or VAG 1552 mobile scan tool with VAG 1551/3B cable z VAG 1598/31 test box z VAG 1526 A or Fluke 83 multimeter z VAG 1594 adapter set z Electrical Wiring Diagram Test conditions z All fuses must be OK. Fuse holde is located behind access panel at far left end of dash. NOTE: z Raise vehicle to reach oxygen sensor connector. z Only gold terminals may be used for servicing terminals 3 and 4 in
2003 Volkswagen New Beetle GLS 1998-2004 ENGINE PERFORMANCE Multiport Fuel Injection (MFI) , 1.8L AWP, AWV - New Beetle
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