Hyundai Azera: Engine Control/Fuel System

CVVT (Continuously Variable Valve Timing) System Description and Operation

Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by ...

General Information

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Fuel Tank Repair procedures
Removal 1. Release the residual pressure in fuel line. (Refer to Fuel Delivery System - “Release Residual Pressure in Fuel Line�) 2. Remove the fuel pump service cover (A) in the trunk. ...

Repair procedures
Compression Pressure Inspection     If the there is lack of power, excessive oil consumption or poor fuel economy, measure the compression pressure. 1. Warm up engine until th ...

Vacuum crankcase ventilation hoses
Inspect the surface of hoses for evidence of heat and/or mechanical damage. Hard and brittle rubber, cracking, tears, cuts, abrasions, and excessive swelling indicate deterioration. Particular atten ...