Why Does a Car Burn Oil?

Answer

There are several factors that contribute to car burning oil. These include worn out valve guides, bad valve seals, clogging up of the system due to carbon in the positive crankcase ventilation and worn out piston rings. This can cause several damages such as misfiring of the ignition.
Q&A Related to "Why Does a Car Burn Oil?"
If valve seals on the cylinder head go bad, oil will be allowed to flow down into the combustion chamber and will be burned. The valves are guided by a chamber called the valve guide
http://www.ehow.com/facts_5994363_cause-car-burnin...
There are many possible reasons as to why your car might be burning oil, but the first one that comes to mind is that your piston rings are bad. They get loose in the cylinder over
http://www.ask.com/answers/95976701/why-is-my-car-...
Bad rings, carbon buildup on the ring grooves, valve stem seals. in general, only things that can be fixed by disassembling the engine.
http://wiki.answers.com/Q/What_makes_a_car_burn_oi...
I like to drive mine up on ramps to make it easier to get to the oil pan. Remove the drain plug from the pan and let the oil drain into a container. While doing that remove the old
http://answers.ask.com/Vehicles/Other/how_to_chang...
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