Skip the auto shop - Our mechanics make house calls

Q: Car smoking and shaking

asked by on

My car is smoking out the back and shaking.

A: Depending on what kind of smoke will determ...

Depending on what kind of smoke will determine what the shaking could be. There are 3 basic types of smoke. Black smoke is raw fuel. Raw or unburnt fuel can foul spark plugs causing a misfire. A misfire will seem like the engine is shaking. Blue/gray smoke is oil being burnt. Oil that is leaking into the combustion chamber can also foul the spark plugs over time. This is common in high mileage vehicles. The last type is white smoke, this is actually not smoke but vapor from coolant being burnt. If coolant is leaking into the combustion chamber you have may have internal engine damage. Have a qualified mechanic help you diagnose the smoke coming from your vehicle so the necessary repairs can be made.

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・Fair and transparent pricing

Get a quote

What others are asking

Q: Brown stuff shooting out of radiator

You could either have air trapped in your cooling system, or you might have a bad head gasket. Based upon your description, I am leaning towards a bad head gasket. Testing the head gasket can be performed with a block...

Q: If theres a small hole in front exhaust will it affect the fuel consumption?

Hello. This may potentially affect fuel economy due to the fact that this introduces more oxygen into the exhaust flow. When this happens, the oxygen sensor will detect additional oxygen flow which will cause it to relay this to the...

Q: My car is shaking.

Hello. the Diagnostic Trouble Codes would have to be retrieved to begin the diagnosis. Unless the shop retrieved all codes and performed a diagnosis and tested the coils (there are six of them on your engine), what they have told...

Related articles

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...
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 P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
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.