Is white smoke serious?
Not if it disappears once warm. If it is thick, smells sweet and you are losing coolant, stop driving and have it checked.
Exhaust smoke: white, black or blue
What white, black or blue exhaust smoke means, when it is normal and when it points to a fault that should be checked soon.
Frequently asked questions
Can a diesel smoke black without a fault?
A little under hard acceleration on older cars, yes; if it is constant, there is a cause to find.
AI-generated guidance. It may contain errors: confirm any important information and see a professional for anything that affects safety.
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