Q: White smoke coming from exhaust.

asked by on

When I start my car, it expels white smoke from the exhaust pipe and the cab vents. I think coolant might be getting into the oil.

A: White smoke is an indication of coolant bur...

White smoke is an indication of coolant burning, especially if you having to add coolant frequently. If the white smoke is coming out the exhaust pipe then it is most likely being consumed in the combustion chamber. A common cause is a failed head gasket or a possible crack in the block or cylinder head. An indication of coolant getting into the oil would be a milky colored residue on the dipstick and on the oil filler cap. To be sure of this diagnosis you may want to enlist the help of a mechanic, like one from YourMechanic, who has the equipment and training to be able to diagnose and repair this issue.

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: What would cause my truck to put out white smoke from exhaust.

Hello. I can tell you exactly what causes the white smoke to be emitted from your exhaust upon starting the engine. This would be due to your engine burning oil. The engine will burn oil when oil reaches the combustion...

Q: Front tires screeching when turning

Hi, it sounds like the wheel bearing is starting to wear out on the right side. When you turn left all of the weight of the car is shifted to the opposite side which is extra stress then on the...

Q: Noise coming from the front suspension

Hello. This is a condition you should get inspected and repaired sooner than later since it affects the drivability of the vehicle. The symptoms you're describing could be warped rotors, a bad wheel bearing, a bad tire, or worn suspension...

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...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
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...