Why does my car puff smoke when I start it?
If you notice white smoke from the exhaust on startup, this means that your car engine is taking on too much fluid from the vacuum pipe or the hose, meaning that your car will be burning excess oil and causing a burnt smell that is noticeable to the drivers and passengers.
Is it normal for smoke to come out of exhaust on a cold start?
For the same reason you can often see your breath on a chilly winter day, you might be able to see white, wispy smoke when you first start your car when it’s cold. That’s because water from condensation that collects inside the exhaust pipes condenses into visible vapor as the vehicle warms up.
What does white smoke on cold start mean?
White Smoke in your exhaust indicates that coolant and or water is being vaporized in the combustion chamber and could mean the head gasket is leaking, the vehicle has a cracked block or cylinder or the engine is cold.
Can too much oil cause smoke?
The symptoms of too much car oil If it is overfilled, the following may occur: Dense white smoke – If you drive your car and see plenty of thick, white exhaust smoke, excess oil may be burning within the engine block, although fluids such as antifreeze may also be the culprit.
What does puff of white smoke on startup mean?
White smoke would be steam which is indicative of a cooling system leak into the cylinder. You may want to check the oil and make sure it is not milky looking. Cooling leak is either cracked head or head gasket. Re: Puff of white smoke on startup? Nope, not blue. Very white. Like a cloud is coming out the back of my Mo.
Why do I get a puff of blue smoke when I start my car?
Typical valve guide leak results in puff of blue smoke upon start up and once it gets worse it will also show up after engine idle at a traffic light as well as start up. How often do you change oil? Your vehcle is too new for a valve guide issue unless you dont change oil properly.
Why is white smoke coming out of my exhaust?
@thedean , Dean, 5w20 oil is fine, Some white smoke at start up from cold engine is fairly normal and will dissipate (stop) for the most part after engine and exhaust has warmed up to operating temperature. If you notice you are low on coolant or having to add coolant then there could be an issue.
What causes a car to smoke on start up?
Every single one of those cars smoked on startup. Every single one of those cars had coked up valve trains and clogged oil return passages. When a mechanic was in between jobs or held up on parts they would grab one off the back lot and start in with the PITA job of cleaning the valve train up and opening up the drain holes.