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Grade: 11
        
why the oil should be changed in engine and why it gets hardnes as time passes ?
 
one year ago

Answers : (1)

Arun
22615 Points
							Over time, dirt can cause corrosion and decrease the life of an engine. ... Routine oil and filter changes help remove particles and sludge and keep engines at peak condition. Improves gas mileage. Poor engine lubrication can lead to increased fuel consumption, so make sure there is enough clean oil in the engine
						
one year ago
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