Where is my vehicle oil goig?

Asked by Jan 27, 2015 at 07:16 PM about the 2007 Kia Sportage LX

Question type: Maintenance & Repair

We have check the entire engine
compartment for leaks  and nothing..? No
oil dripping everything is nice and dry.
However every time we check our oil it's
dry. So we put oil in and it shows on the dip
stick at the right levels we will drive around
no smoke coming out the exhaust. And a
bout 2 weeks later there is barely any oil on
the dip stick. It doesn't run any different no
ticking no knocking but it's confusing the
hell out of us... any ideas?

6 Answers

31,585

How many miles on your Sportage?

165k

31,585

If no oil is leaking there is only one place it can be going and that is out the exhaust. Likely causes are bad valve seals, worn valve guides or worn piston rings. To diagnose I would have a compression test and cylinder leak down test done at a local mechanic shop.

1 out of 1 people think this is helpful.

But where would the smoke be? I mean if we're burning that much oil it would smoke or there would be so sort of oil residue in the exhaust right?

31,585

Not always, much of the oil will be burned off at the catalytic converter. Sometimes they don't smoke much or at all and still use oil. Oil either leaks or goes out the tail pipe.

31,585

You could pull the sparkplugs and look at them, I'll be they are oily and wet.

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