Hyundai Azera: Spark plugs

Air cleaner filter

A Genuine HYUNDAI air cleaner filter is recommended when the filter is replaced. ...

Valve clearance

Inspect excessive valve noise and/or engine vibration and adjust if necessary. An authorized HYUNDAI dealer should perform the operation. ...

See also:

Engine start / stop button
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Flat tire
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If engine turns over normally but does not start
1. Check fuel level. 2. With the ignition switch in the OFF position, check all connectors at the ignition coils and spark plugs. Reconnect any that may be disconnected or loose. 3. Check the fuel ...