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worn piston rings or barrels

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Q: Why do old cars burn oil?
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Related questions

Do Audi A6 cars burn a little oil?

That would be a big NO! My A6 is 4y/o. Does not burn a drop of oil. Barely uses gas, we love this car.


What do cars run on?

Cars run on fossil fuels, gasoline, vegetable oil, and electricity.


Do Saturn cars burn oil?

If engine fluids have not been maintained properly it may lead to oil burning, but that's true of all vehicle engines.


Can I burn old motor oil in my oil burning furnace?

No you cannot. Old motor oil contains harmful additives that can be released back into the atmosphere and can make you sick. Don't do it.


Why would a vehicle lose power and burn oil?

a car would lose power and burn oil by getting old or maybe if its burning a lot of oil u should switch to a different type like vavoline or penzoil.


Is it normal Toyota practice to build cars that burn oil on a regular basis?

i don't think so . Toyota makes a very high quality vehicle if it burns oil something is wrong


Why does gas help cars go?

Cars need to burn to burn something in order to make energy. And gas does just that!


How does oil run cars?

Oil doesn't run cars it lubricates engines. Cars run on gasoline which is refined from oil.


Will used car oil burn?

yes used car oil can burn


Do older cars burn oil regularly?

This is a broad question, but under ideal circumstances, no engine should burn oil. The age and periodical care of an engine will greatly affect how it runs and retains its fluids. As an engine gets older, scratches and pots in the cylinder walls can form if it is not taken care of properly and allow oil into the comustion chamber on the down stroke, thus causing oil burn. If an old engine is burning oil, this is likely the case. (or it could be a worn head gasket) So, noramly a little is expected, but more than half a quart being burnt every 3000 miles is excessive.


Why would a 1993 Plymouth Voyager be burning oil?

Well, it is normal for older vehicles to develop some leaks (small) and for most cars to burn oil (1/2 qt every three months). However, it sounds like you should really talk to your oil changer and ask them what oil they are using and what the old oil looks like. If it has water, coolant, or has a big leak you need to look at repair/replacement.


What motor oil is best regular or synthetic?

The best motor oil for you car depends on the car. Many old cars can only handle regular motor oil.