Does Keeping the Engine Running Damage the Car?

1 Answers
AryaFitz
07/30/25 10:11am
Keeping the engine running for extended periods while it remains in a high-temperature state will increase fuel consumption, causing the engine to operate under high load continuously. This can lead to gasoline leakage from the engine and even oil stains on the car chassis. If exposed to open flames, it may easily result in spontaneous combustion. Below are some key points regarding car engine maintenance: 1. Use qualified lubricating oil: For gasoline engines, select SD--SF grade gasoline engine oil based on the additional equipment of the intake and exhaust systems and usage conditions. For diesel engines, choose CB--CD grade diesel engine oil according to mechanical load, with the selection standard not lower than the manufacturer's specified requirements. 2. Regularly change the oil and filter: To avoid malfunctions, change the oil periodically based on usage conditions and maintain an appropriate oil level (generally up to the upper limit of the oil dipstick). Additionally, if the filter is clogged and oil cannot pass through the filter element, it may rupture the filter or open the safety valve, allowing oil to bypass through the bypass valve and carry contaminants back to the lubrication areas, accelerating engine wear and worsening internal pollution.
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