The short answer is 'yes'. The best thing you can do is to read the car's instruction booklet as some specifically stipulate not to overfill or engine damage will result.
Yes, overfilling can cause smoking, and you need to drain the extra out.
Maybe you added too much oil? Overfilling can cause just as many problems as being too low on engine oil. Be sure to check the dipstick after adding oil.
Overfilling oil is not recommended. If engine temperatures become high enough the pressure will cause oil to leak out of the filter and dirty engine parts. If it enters into the air box, problems will occur.
Your biggest problem with overfilling the engine is not damage to the converter but damage to the engine itself. Overfilling causes the crankshaft to make contact with the oil. This will cause a situation where air will be mixed with the oil. This air mixed with the oil causes the oil to lose it's lubricating properties as air is a poor lubricant. This will cause the engine to overheat and will result in severe wear to all moving parts within the engine. If you overfill the engine drain the excess oil out immediately.
Your biggest problem with overfilling the engine is not damage to the converter but damage to the engine itself. Overfilling causes the crankshaft to make contact with the oil. This will cause a situation where air will be mixed with the oil. This air mixed with the oil causes the oil to lose it's lubricating properties as air is a poor lubricant. This will cause the engine to overheat and will result in severe wear to all moving parts within the engine. If you overfill the engine drain the excess oil out immediately.
Adding 5 quarts of oil to an engine and overfilling it can cause the seals to blow out. This can cause engine failure.
Yes, overfilling can damage an engine. Too much oil causes the crankshaft to make contact with the oil and form a froth of oil and air. This froth of oil and air is a poor lubricant and will cause bearing wear.
Overfilling your car with engine oil is very unadvisable. If the oil is only slightly overfilled the engine will likely not have any problems, but overfilling by more than 1/2 quart or so (depending on the oil capacity of the engine) can result in several problems. The oil will be aerated by the excessive agitation caused by constant contact with the rotating components inside the engine, which can cause engine failures. Also, if drastically overfilled the oil will likely be sucked into the intake system possibly causing "hydrolocking" which will damage the engine. Hydrolocking is unlikely, and since it is relatively simple to remove oil from the engine there is no good reason to operate the engine while over-filled with oil.
If you have over filled your engine oil, it will not "leak" unless you have completely filled the engine with oil and is pouring out where you put it in. However overfilling even as much as little as 1 quart can lead to catostophic engine damage as the crankshaft will spin into the oil in the pan causing it to foam and cause oil circulation problems throughout the engine leading to overheating and engine siezing.
Yes
no. This will cause problems in the transmition.
If your oil pressure gauge is high you have to much oil in your engine. Overfilling your engine can result in you blowing out your gaskets.