Q: Smoke coming out of exhaust

asked by on

I have a blueish gray smoke coming out of the exhaust and I detect the odor of either gas or burning oil.

Hi, the blue tint you mentioned is in fact from oil burning. Over time the internal engine components, specifically the piston o-rings and the valves, wear out and oil starts seeping into the cylinders and burning with the air and fuel. A technician can diagnose the source of the smoke by testing these internal components to make sure they are sealing properly. Be sure to check your oil level frequently until this is resolved as more damage could occur as a result.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1,000 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!
  1. Home
  2. Questions
  3. Smoke coming out of exhaust

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Car smells like very strong gas leaking at the bottom

Hey there, thank you for asking a question about your 2005 Saturn Ion. A "strong" odor of fuel is an emergency circumstance. If you park a vehicle with a known gas leak in a tightly closed space, such as a...

Q: Oil steam exhaust pipe

After your comment about flooding the parking lot with steam, this symptom leads me to believe you may have a failed head gasket. A failure in this seal will allow coolant to leak into the combustion chamber once the cooling...

Q: blinker

This is due to a short circuit inside of the turn signal multi function switch located in the steering column. You can try turning the hazard button on and off several times to see if the lights start to work...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
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...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.