Hyundai Azera: Brake System
Troubleshooting
Repair proceduresHeated Oxygen Sensor (HO2S) Description and Operation
Description
Heated Oxygen Sensor (HO2S) consists of the zirconium and the
alumina and is installed on upstream and downstream of the Warm-up
Catalytic Converter (WCC).
After it compares oxygen ...
Fuel Filler Door Open Switch Repair procedures
Inspection
1.
Open the junction box fuse cover.
2.
Insert the hand to the junction box fuse cover hole and remove the crash pad side switch assembly (A) by pushing it.
P ...
Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary.
An authorized HYUNDAI dealer should perform the operation. ...