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Does leaving a car running for a whole day cause damage?

1Answers
London
07/29/2025, 08:29:54 PM

Leaving a car running for a whole day does not cause damage. Here are the relevant details: 1. Car engine idling: Prolonged idling is not recommended. During idling, due to the low engine speed, extended periods can lead to fuel wastage and carbon buildup from incomplete combustion, which can significantly damage the engine. 2. Engine wear: If the vehicle idles overnight, the most immediate effect is a noticeable decrease in fuel. Additionally, exhaust fumes inside the cabin will increase. It is advisable not to enter the car immediately; instead, open the doors to allow air circulation for a while. Other effects are not visible to the naked eye, but the more significant impacts include increased engine wear and carbon buildup. If the vehicle has no other issues, these effects should not cause major problems.

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