Is It Serious If a Car Engine Has Air Leakage?

1 Answers
PhoebeRose
07/30/25 8:18am
It is still possible to drive a car with an engine air leak. However, if the intake pipe leaks, it may suck in dust, sand, or other debris from the outside, leading to increased wear on the cylinder walls or piston rings. An engine air leak can cause abnormal idling and signal irregularities. Any air leakage in the engine will result in unstable operation and insufficient power under various working conditions. Methods for checking air leakage: 1. Visual Inspection: The observation method is the simplest and most intuitive way to detect issues. When the engine shows symptoms, make full use of observation to check if there are faults in the cylinders and spark plugs. If the spark plug electrodes have excessive carbon deposits and are wet with engine oil, it indicates poor piston ring sealing causing oil leakage. 2. Repeated Testing: Infer the location of the fault by testing and observing different outcomes. Check the pressure in the cylinders to understand the cause of the problem based on pressure changes. For example, use a pressure gauge to measure the pressure. If the pressure rises significantly, it indicates piston ring wear. If the pressure remains unchanged, it suggests air leakage from the valves or cylinder gasket. 3. Experience Comparison: This method is more suitable for experienced car owners who can roughly deduce the cause after comparing throttle responses.
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