white smoke exhaust pipe · steam from exhaust
Thick, persistent white smoke (often with a sweet smell) coming from the exhaust, especially if it does not go away as the engine warms up.
Check the coolant reservoir level - if it is dropping with no visible external leak, coolant may be burning inside the engine.
Not recommended. This is often linked to overheating and head gasket failure, and continuing to drive can turn an expensive repair into a catastrophic one.
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Descriptions are for guidance only and do not replace a workshop inspection. If you are ever unsure whether it is safe to keep driving, pull over in a safe spot.
Blue smoke from the exhaust
WarningA bluish or blue-gray tinted smoke from the exhaust, often accompanied by a burning oil smell.
Black smoke from the exhaust
InfoDark black or sooty smoke coming from the exhaust, usually noticeable when accelerating.
Rattling noise from underneath the car
InfoA metallic rattling or buzzing noise from underneath the car, often changing with engine RPM or road vibration.
Backfiring or popping sounds from the exhaust
WarningLoud popping or banging sounds from the exhaust, often when letting off the gas or during deceleration, sometimes with a visible flash.
