P1166

DTC P1166 / O2 SENSOR - CONTROLLER ADAPTION DIAGNOSIS MALFUNCTION (BANK 1)

Hyundai does not provide a trouble code diagnostic procedure.
Refer to the component, Oxygen Sensor Oxygen Sensor
or refer to the trouble area (check points) below.


- Fuel System (Fuel tank/Press. regulator/Fuel Pump/PCSV)
- Connection of fuel line hose/sealing/cut
- Sealing between purge valve and fuel tank
- Air leak in the exhaust system
- Ignition system
- Engine