I have a 2007 4 door Jeep Rubicon Wrangler. Since purchase I have put in synthetic oil and have consistently been 3-4 quarts low every time I bring it in for an oil change. This is forcing me to change my oil every 3000 mile or run dry. With synthetic I should be able to go 5000 miles or so. Is anyone else having the same issue?
There are no leaks, no burnt oil as smoke out the exhaust. There is no evidence of the lost oil. I am at a loss.
Have you tried running conventional oil and see how much it burns? If it is truely burning that much oil, you have a problem with the rings not seating, or PCV system sucking in too much oil. If it doesn't burn that much with conventional oil, I would stick with that. If it does, you have a bad motor issue.
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After running synthetic I cannot switch to conventional. Otherwise I would take the suggestion. However using the "possibles" you have given me I am going to contact the dealer before my warranty is up and supply them with those possibilities. Thank you.
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