Quote:
Originally Posted by kingfish01
How complicated is this? You find out the same way your proctologist does: with your finger.
Warm the car up, shut off, remove the oil cap and carefully, hot oi remember, wipe a sample out on your finger. If its new, it'll be clear and golden. If never changed, it'll be close to black or pitch black.
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After about 500 miles that "new" oil will look just like oil that's been in there for 5 or 6 thousand miles. This would be a good check to do at the dealership though, assuming you still distrust them enough to feel the need to check.