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What to Do About Volkswagen Lamando Idle Noise?

1 Answers

MacSabrina

07/29/25 5:29pm

Volkswagen Lamando idle noise is caused by excessive carbon deposits, ignition system failure, or abnormal gasoline pressure. Excessive carbon deposits: Incomplete combustion of fuel in the engine produces paraffin and gum substances, and the residues form carbon deposits under high temperatures. A dirty throttle body or excessive carbon deposits on the fuel injectors can cause idle noise after a cold start. Ignition system failure: At a 4S shop or repair shop, check the working condition of spark plugs, high-voltage wires, and ignition coils. Poor working condition of the ignition system or faulty spark plugs can lead to idle noise. Abnormal gasoline pressure: Check whether the fuel supply pressure and intake pressure sensors are normal. For abnormal gasoline pressure, clean the fuel system or switch to higher-quality gasoline.

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