Why is my Porsche Boxster smoking?
A failure in the air-oil separator (AOS) can be a likely culprit in causing your Boxster to smoke. When you have a faulty AOS, it is not removing all of the oil vapor and, as a result, leaves oil on the intake walls. When the engine is shut off, this oil runs down into a cylinder and smokes upon the next engine start.
What does bluish white smoke mean?
If you are noticing blue smoke from the exhaust, it means your engine is burning oil due to an oil leak. This symptom could be the result of a leaking valve seal or a problem with a piston ring.
What causes white blue smoke from exhaust?
When blue smoke is emitted from a car’s exhaust pipe, this usually indicates that a leak in the engine’s valve seals is allowing oil to leak into the combustion chamber where it is being burned along with the fuel. This may be due to natural deterioration or a faulty part.
Why is my car blowing blue smoke when I accelerate?
The leak could be caused by several issues like leaking valve seals, damaged piston rings, or worn cylinder walls. Pro-Tip: Blue smoke during acceleration means your vehicle’s piston rings may be damaged. During deceleration, however, blue smoke means the cylinder heads’ valve guides are damaged.
What is it when your car starts white smoke?
White smoke from the exhaust: This could be steam caused by condensation in the exhaust pipe or a more serious issue caused by an engine coolant leak. Excessive amounts of white smoke could indicate head gasket failure.
What is an AOS on a Porsche?
The AOS, or air oil separator, is a part of the PCV system on a modern Porsche sports car engine found in Boxster, Cayman, and 911 models. The AOS directly affects the engine crankcase atmosphere by applying a very small vacuum to it by the nature of its job; it should be named a vacuum-oil separator.
Can low oil cause white smoke from exhaust?
So Can Low Oil Cause White Smoke? A. No, it cannot. Unrelated to the fluid’s level, if oil does make it into the combustion chamber, you could see blue-tinted smoke coming from your exhaust.
How much does it cost to fix blue smoke from exhaust?
Replacing these could cost anywhere from $100-$500 depending on whether you do it yourself or have a reputable shop complete the service for you, so it’s worthwhile to make sure they are bad before you sign up for that chunk of change.
How do I know if my oil separator is bad?
Symptoms of a Bad or Failing Vent Oil Separator
- Smoke coming from the exhaust pipe.
- Check Engine Light is illuminated.
- Excessive oil consumption.
- Sludge under your oil cap.
Do oil separators go bad?
When the air-oil separator fails, the results are not catastrophic, but if left untreated for a while, it can result in damage to the engine. If the air-oil separator is not working properly, it cannot separate the oil from the “air” that it is sucking back to be combusted, and oil is pulled into the intake manifold.
Why does my 996 Boxster blow smoke out of the exhaust?
996, 997’s, and Boxsters use an oil air separator which basically reduces oil vapor that recirculates in the engine. Unfortunately, they use a rubber diaphragm that is prone to failure. The result is excessive smoke out of the exhaust on start up and driving.
What kind of separator does a Boxster 996 use?
996, 997’s, and Boxsters use an oil air separator which basically reduces oil vapor that recirculates in the engine. Unfortunately, they use a rubber diaphragm that is prone to failure.
Why is white smoke coming out of my exhaust?
Most people’s initial reaction when they see white smoke coming out of their exhaust, is to assume the worse…..blown headgasket, slipped cylinder lining, catastrophic engine failure. While on rare occasion that is the case, many times it is nothing more than a bad Oil Air Separator (OAS, AOS, Air Oil Separator, etc).