Maruti Celerio Long Term Fuel Efficiency
Replacing engine oil on time is as important as refuelling

4) Fuel Efficiency – Used engine oils lead to more friction in engine components, making the engine work harder than it should. Gradually, this takes a toll on fuel efficiency as the engine gets older.

3) Harmful Contaminants – With use, engine oils tend to get thicker and lose their cleaning and lubricating properties, leading to build-up of sludge and contaminants inside.