How to Tell if an Engine Has Cylinder Scoring?

1 Answers
MacCourtney
07/30/25 3:56am
Here are simple ways to identify symptoms of engine cylinder scoring: 1. Noticeable decrease in vehicle power under normal conditions (commonly referred to as lack of power). 2. Abnormal water temperature (the temperature gauge shows high readings shortly after starting, or even overheating). 3. Increased exhaust emissions with blue smoke from the tailpipe. 4. Unusual engine noises during operation (harsh and muffled sounds, unstable idle, requiring more fuel to maintain idle speed). 5. The vehicle experiences misfires or stalls after prolonged idling or short periods of driving. Note: If the vehicle shows signs of or is suspected to have cylinder scoring, turn off the engine immediately and seek professional assistance. Cylinder scoring is caused by lack of coolant or engine oil, leading to high temperatures and poor lubrication. This results in abnormal noises, excessive exhaust emissions, poor fuel efficiency, lack of power, difficulty starting after shutdown, etc.
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