What Causes Insufficient Climbing Power and Engine Abnormal Noise?

[BraxtonLynn]

Insufficient power during climbing accompanied by abnormal engine noise is most likely caused by engine knocking and cylinder knocking. Here are several reasons for engine cylinder knocking: 1. Incorrect gasoline octane rating. If the vehicle is labeled for 95-octane gasoline but 92-octane is added instead, the insufficient octane rating will lead to cylinder knocking and detonation. 2. Carbon deposits in the cylinder combustion chamber. An engine intake tract that hasn't been cleaned for a long time will accumulate excessive carbon deposits. Too much carbon buildup can increase the engine's compression ratio response, leading to detonation and subsequent cylinder knocking. 3. Spark plug failure. If any one of the four spark plugs experiences poor ignition, it can cause cylinder knocking. Therefore, spark plugs should be replaced promptly.