What are the effects of excessive engine oil?

1 Answers
AuroraDella
07/30/25 10:31am
Effects include increased fuel consumption; reduced power; accelerated carbon buildup, damage to certain car components, leading to crankshaft oil seal leakage, and shortened oil shelf life. Below is relevant information: 1. When the engine is operating, its components undergo intense agitation. This not only increases internal power loss but also causes more oil to splash onto the cylinder walls, leading to oil burning issues. 2. Engine oil is viscous. Adding too much makes it harder for moving parts to rotate, resulting in poor power output, sluggish acceleration, unresponsive throttle, increased engine noise, higher vehicle fuel consumption, and accelerated internal carbon buildup in the engine.
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