Skip the auto shop - Our mechanics make house calls

Q: White smoke comes out of Tailpipe.

asked by on

There is white smoke coming out of the tailpipe, and the car is sluggish when switching gears.

A: The combustion process gives off a small am...

The combustion process gives off a small amount of water, so the white smoke could be from condensation in hot exhaust gases, particularly in cold weather.

In extreme cases, a head gasket rupture causes coolant to leak into the engine (often accompanied by a "sweet" smell) causing thick clouds of white smoke to spew. Coolant in the engine inhibits some performance, which may explain the lack of power.

I would suggest hiring a trained technician, like the ones at YourMechanic, to run a diagnostic to determine the source and cause of the white exhaust smoke, and recommend any necessary repairs.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: it is not shifting right. like its not engaging or something

Have someone look at the shift linkage on the steering column in the engine compartment when you shift through the gears. It sounds like one of the shift rods may have come off or the shift tube in the column...

Q: Computer reads an issue with the oxygen sensor on a Subaru Forester 1999 2.0 Turbo. What is the problem?

Your 1999 Subaru Forester has pre and post catalytic converter oxygen sensors. The pre-converter sensor optimizes fuel trim while the post converter sensor monitors the efficiency of the catalytic converter. A failing pre-converter sensor will degrade vehicle MPG performance. Although...

Q: Transmission leak

The pan is the most common leak area on these transmissions, but it would need to be inspected to see if the case, or filter, is the cause of the leak. If you are low on fluid, I recommend that...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...