The causes of insufficient engine cylinder pressure are as follows:
1, leakage between the cylinder head and the cylinder: foot turning engine, carefully look at the cylinder head and the cylinder of the combined surface of the oil foam, if there is oil foam, indicating that the cylinder head gasket leakage, then you should check the cylinder head on the compression nut is tightened;
2, removed the cylinder head to find leakage parts of the black carbon buildup of serious When the cylinder head is removed and found to have serious black carbon deposits in the leakage area, the cylinder head should be checked to see if there is any damage or warping and deformation, and should be repaired and ground;
3. Damaged spark plug gasket or impurities sticking to the surface and forgetting to install the spark plug gasket can make the air leakage between the spark plug gasket and the cylinder head.
Answered on 2022-10-26
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How much Accord cylinder pressure is appropriate
Now let me provide you with the content about "how much Accord cylinder pressure is appropriate", please see the following related content: Accord cylinder pressure is 9 bar. too high engine cylinder pressure will lead to engine weakness, unstable idle speed, It will also lead to excessive emissions and excessive oil consumption. Insufficient cylinder pressure will lead to a decrease in vehicle power, power; will lead to engine shaking. Engine cylinder pressure is insufficient for the following reasons: 1, cylinder head and cylinder leakage: foot turning the engine, carefully look at the cylinder head and the cylinder of the combined surface of the oil foam, if there is oil foam, indicating that the cylinder head gasket leakage, this time you should check the cylinder head on the compression nut is tightened; 2, remove the cylinder head to find the leakage part of the serious black carbon deposits, you should check whether there is damage to the cylinder head or warping deformation and repair and grinding; 3, the spark plug to find a serious black carbon deposits, you should check whether there is damage to the cylinder head or warped and deformed and Repair grinding; 3, spark plug gasket damage or surface adhesion of impurities, forget to install the spark plug gasket, can make the spark plug gasket and cylinder head between the air leakage.
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