Volkswagen Passat 1995 Official Factory Repair Manual page 1603

Diagnostic Trouble Code (DTC) tables:
Fuel and air ratios
SAE-
DTC
P3211 Exhaust-bank 1-sensor 1 Heater return
connection
P3255 Bank 1, oxygen sensor before catalytic
converter, heating circuit Regulation at
upper impact
P3256 Bank 1, oxygen sensor before catalytic
converter, heating circuit Regulation at
lower impact
P3266 Bank 1, sensor 1 Internal resistance too
Large
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DTC text Corrective action
- Check oxygen sensor heater for
oxygen sensor before catalytic
converter Page 24-25
- Check oxygen sensor and oxygen
sensor control before catalytic
converter Page 24-87
Page 41 of 41
ST-96
6/12/2004