What are the signs of a well-functioning engine?

2 Answers
IrisMarie
07/28/25 11:29pm
Signs of a well-functioning engine are as follows: 1. Power per liter: Engine performance indicators based on crankshaft output power are called effective indicators, which reflect the overall performance level of the engine. Effective indicators include effective power, effective torque, power per liter, etc. The two indicators of power and torque can reflect the quality of the engine. 2. Fuel economy: Automotive fuel economy is an important performance characteristic. Fuel consumption refers to the volume of fuel required per unit distance traveled when the vehicle is fully loaded. Both China and Europe use the amount of fuel consumed per 100 kilometers (L) to represent this. 3. Smoothness: This refers to the level of vibration during engine operation. This characteristic directly affects the comfort of the vehicle and reflects the mechanical quality of the engine. 4. Durability: Indicates the quality of the engine.
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LeAllie
08/12/25 3:51am
When the engine is in good condition, driving is smooth and worry-free. On cold mornings, it starts instantly with just a twist of the key, without any hesitation. The idle speed remains stable while driving, with almost no vibration in the steering wheel. The acceleration response is quick—step on the gas, and the power surges forward effortlessly, making overtaking a breeze. Fuel consumption stays within the normal range, and a full tank of gas takes you even further. The cabin is so quiet that there’s almost no noise, with only a faint engine sound and no strange rattles. Under the hood, everything is neat and tidy, and the temperature gauge always stays at the midline, so overheating is never a concern. Overall, the driving experience is relaxed and reliable, making it perfect for daily commutes.
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