Billowing blue smoke from a car typically indicates oil burning in the combustion chamber. Unlike white smoke, which is often related to coolant, blue smoke signals an issue with engine oil.

Blue smoke could also come from overfilling the engine with oil or using the wrong grade of diesel oil. Read more: 15 Popular Oil Filter Brands, Ranked Diesel engines that emit white smoke could ...

Thick blue or gray smoke that doesn't dissipate ... with specialized training in these types of repairs. Thick white smoke: Call a tow truck Unlike the wispy white vapor described above, billowing ...

However, white exhaust smoke may also be a sign that ... Finally, Shaun suggested that drivers who encounter blue smoke also get their car checked quickly, with the symptom suggesting that the ...