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What Causes the Loud Engine Noise in a Civic?

1 Answers

DelJosephine

07/30/25 5:04am

The reasons for loud engine noise in a Civic are: 1. Excessive engine carbon buildup; 2. Use of unsuitable engine oil or dirty oil; 3. Coolant temperature being too low; 4. Engine knocking or detonation. Methods to deal with an overheated engine are as follows: 1. Reduce speed immediately: After slowing down, drive the car to a safe area on the roadside and park; 2. Do not turn off the engine immediately: After parking, do not shut down the engine right away because excessively high water temperature can cause the pistons, cylinder walls, cylinders, crankshaft, etc., to overheat, thinning the oil and losing its lubricating effect. Turning off the engine can lead to some soft metals peeling off and may even cause cylinder sticking; 3. Let the engine idle in place for a few minutes: Adjust the air conditioning to the heating mode, set the fan to maximum, and open the hood to help the engine cool down. Turn off the engine only after the water temperature has dropped.

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