Q: Q: Smoke coming from exhaust

asked by on

The exhaust is smoking and I have an oil leak.

Hello, it sounds like you may have a gasket or seal leaking on your car. Smoke in the exhaust could indicate 2 things: you’re burning oil or you’re burning coolant. If you’re burning oil that usually means your valve seals and guides are worn out. If you are burning coolant that means you have a blown head gasket. Oil burning will be blue in color and will not smell. Burning coolant will be a white grey color and will have a distinctive odor. If you’re burning oil you could have a clogged PCV valve well. Either one of these problems more than likely is going to require a complete engine rebuild to solve.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Q: Smoke coming from 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: Clutch shifts hard

Hello! From your description, it sounds as if you have a hydraulic issue. I suggest that a technician drive the vehicle to perform a clutch performance test. The clutch performance test will help indicate whether the clutch itself is faulty, or...

Q: Q: Rpm problem

Hi Ritchie. Thanks for contacting us today. The first thing you need to do is isolate the source of the RPM increase. It is possible that a vacuum hose was not correctly attached during the service, so I would recommend...

Q: New car oil consumption before 1st oil change

Hi there. Either the positive crankcase ventilation valve (PCV) or the turbo has excessive oil blow by. Check the PCV valve and see if its working. Check the air filter to the engine and make sure that its dry and...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
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...