Why does the hose connected to the exhaust pipe of the Audi A8L resonate?

1 Answers
Madeline
07/29/25 10:56pm
The reasons for the resonance of the hose connected to the exhaust pipe of the Audi A8L are as follows: Dirty air filter: The air filter is designed to protect the engine and reduce wear. It is generally replaced every 10,000 kilometers. If not replaced in time, insufficient air intake can cause low idle speed, leading to engine vibration. Simply replacing the filter element can solve the problem. Broken high-voltage line: A broken high-voltage line refers to the breakage of the conductor core, which can affect ignition and cause engine vibration. Use a multimeter to measure the resistance and replace the one with significantly higher resistance. Abnormal water temperature: The engine operating temperature has a normal range. High water temperature can cause early ignition timing, changes in the air-fuel mixture, thinning of engine oil viscosity, and poor lubrication performance. Common causes of vibration include insufficient coolant, thermostat failure, non-functioning fan, or inaccurate temperature control switch. Eliminating these faults can resolve the issue.
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