정기점검 수리 사례
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2026. 6. 30. 작업
난이도 & 준비물
증상
What causes an engine to burn oil?
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Towards the diagnosis end of things, there are some general guidelines to follow: If you are seeing smoke coming from your exhaust, what color is the smoke? If it's blue, then it's oil If it's black, it means you are running rich (too much fuel). If it's white, the car may be burning antifreeze or (quite rare) auto-trans fluid. Since it's blue smoke you are seeing, you can know that oil is the problem. What can cause oil smoke? If the smoke only comes at start-up and quickly goes away, it can be valve seals and/or valve guides. This is because while the car sits for extended periods of time, the oil has time to seep past the valve seal and collect on top of the valve (or if the valve is in the open position, it could run past and on top of the piston). When you go to start your car, the oil is then burned, giving the tell tale puff of blue smoke. COST TO FIX: There is moderate cost involved with this, depending on the vehicle/engine. If just the seals, this can be accomplished most of
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