Excessive oil consumption

2005 TOYOTA RAV4
95 MILES • 1.8L • 4 CYL • 2WD • MANUAL
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MNCEDI
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  • 1 POST
It is using a liter of oil every 500 km.
Aug 24, 2018 at 11:18 PM
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ASEMASTER6371
  • CERTIFIED EXPERT
  • 52,796 POSTS
Good morning.

Oil consumption comes from either an external leak or internal burning.

If the rings are worn, it will allow oil into the combustion chamber and will burn off.

A compression test will confirm. It is a two step process. You do a cranking test first. Then retest it but this time add a small amount of oil into the cylinder and see if there is a difference. If there is more than 10 to 15 lbs, then the rings are your failure.

Roy

https://www.2carpros.com/articles/how-to-test-engine-compression
Aug 25, 2018 at 5:09 AM