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When you should change engine oil

The question of oil change intervals is regularly discussed on various forums and specialized web portals. Many users have their own opinions, each relying on their own experience and monitoring. However it is worth to be oriented to the recommendations of the manufacturer of a certain vehicle (usually it is either the achievement of a certain mileage, or after a specified period of time, depending on what comes first). At the same time, it is necessary to consider several factors that significantly affect directly the service life of the engine oil:

• driving conditions – city, highways or off-road;
• difficult conditions – dustiness, long periods of idling;
• extreme temperatures, both low and high;
• fuel quality.

Often manufacturers specify two recommended intervals – one for difficult and one for normal vehicle conditions, especially for heavy commercial vehicles where the difference between the two regimes can be as much as 50%.

Select the Sunoco oils recommended by your vehicle manufacturer using the online selection on the website, consider all factors and change your oil on time.