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Synthetic Diesel Oil

How long can I leave synthetic diesel oil in my truck? I work overseas and only drive my truck every 4 to 5 months. Do I need to change it when I’m home? The oil only has 2,000 miles on it?

There are many people in such a situation, including myself a few years back. The oil does not deteriorate just sitting in your truck. I used to change oil once a year in such a situation, even though the car would only have 1500 miles or so on it.

If the truck is still under warranty this would be a good thing to do. Also, there are 2 year and 4 year maintenance inspections; again, if the truck is still under warranty, you should have these done when they are due!

Are you talking about motor oil or fuel oil? Motor oil will last a very long time. Your owner’s manual should tell you the max time as well as the max miles. Do which ever comes first.

Thanks, I’ll change it next trip.

Regards,

Joe