Is there smoke at the oil dipstick tube?

Back in the old days, all cars smoked from the oil dipstick tube, but this was before the days of Positive Crankcase Ventilation (PCV). @VDCdriver is right on with his diagnosis. IF the PCV system is working, there should not be smoke at the oil dipstick tube.

How often should you change the oil dipstick tube?

@VDCdriver is right on with his diagnosis. IF the PCV system is working, there should not be smoke at the oil dipstick tube. After you have fixed the PCV system, change the oil more frequently and take the car out for an hour drive or so on the highway every couple of weeks or at least once a month.

What does it mean when your car makes a popping sound?

One of these not so welcome noises is a popping sound. A popping sound coming from your engine can be bad news. If you suddenly hear a loud pop or bang in the engine area, pull over to the side of the road and check it out. Be on the lookout for smoke or fire, two things you should never see under the hood.

Why do I get smoke from my oil cap?

There are two main possible reasons why your engine will emit smoke from the oil cap: When worn valve stem seals and rings have hot fuel bypassing them. Or just fuel at any time bypasses the worn valve stem seals and worn rings.

Why is oil blowing out of the dip stick?

So if the oil dip stick is not secure the pressure of the oil in the engine (when the engine is running of course), will force the oil out of any low pressure area, in this case the dip stick tube. If all else fails, check the bottom of intake manifold for a hole burned through it. I had a oil blowing 350 and that was my problem.