What are the effects of revving the engine in neutral?

1 Answers
EthanRose
07/30/25 8:10am
Revving the engine in neutral can cause significant damage to the vehicle. When the car is in neutral, the engine operates without any load. Suddenly pressing the accelerator in this state subjects certain engine components to substantial inertial forces, which can shorten the engine's lifespan. Precautions for using a car engine are as follows: 1. Avoid driving in neutral: The engine inherently has a fuel-cut function during deceleration. Being in neutral is actually counterproductive for fuel efficiency. 2. Pay attention to observations while using the vehicle: If you notice oil on the ground, determine whether it indicates an engine oil leak. Communicate promptly with the car's 4S store to eliminate potential safety hazards. 3. Do not turn off the engine immediately: For vehicles equipped with turbochargers, avoid turning off the engine immediately after high-speed driving or climbing a slope. Let the engine idle for 10 minutes before shutting it down. Turbocharged vehicles accumulate carbon deposits several times faster than naturally aspirated engines. 4. Replace or filter the brake fluid: If the brake fluid is contaminated with water or contains impurities or sediment, it should be replaced or carefully filtered immediately. Otherwise, it may lead to insufficient braking pressure, affecting braking performance.
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