Exhaust smoke cigarettes is a means of your vehicle interacting with you to state what is incorrect. Usually, the smoke cigarettes that obtain emitted is dark, white, greyish and blue. The exhaust gases can be an outdated school method to identify symptoms of complications i.e. huge amounts of dark smoke may suggest the EGR is certainly blocked and its own over fueling.
Understanding the difference between your smoke that originates from the exhaust is quite useful. If you're not going to fix the car yourself, take note when the smoke appears and the color and report back again to your mechanic. Preventing the problem is only going to shorten the life span from the engine and bring about needless repair expenses.