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Smoke from the exhaust during deceleration can be caused by several factors, including rich fuel mixtures, oil burning, or a malfunctioning engine component. When decelerating, the engine may temporarily run richer, leading to unburned fuel entering the exhaust system. Additionally, worn piston rings or valve seals can allow oil to seep into the combustion chamber, resulting in blue or gray smoke. This issue often indicates underlying problems that may require inspection and repair.
What else can I help you with?
What causes blue smoke from exhaust?
Burning oil
Why does your truck have black smoke coming from the exhaust?
Could be a diesel? If not then replace your oxygen sensor on your exhaust. A bad oxygen sensor causes the exhaust smoke to be dark in color.
What causes smoke to come out of exhaust in a Petrol 1995 Suzuki Escudo?
if it is white smoke engine need to rebuilt.
What causes white smoke to come from exhaust?
White smoke means head gasket, cracked head or equivelant.
What causes White smoke from exhaust when im idle?
Piston rings or Rich oil .
What causes white smoke that smells like burnt oil from the exhaust?
Head gasket
What causes smoke from the exhaust?
It can be a number of things, but the most common problem is worn valve guides.
What causes grey smoke from your exhaust when idling?
Black smoke means you're burning fuel, blue smoke, you're burning oil, white smoke, you're burning coolant.
1971 dodge 361ci 2bbl carb white smoke out exhaust when decelerating?
Possible blown head gasket. If the exhaust smells & taste sweet, bubbles in radiator, loss of coolant with no apparent leak, coolant in oil & foam on underside of oil cap, you have a blown head gasket.
What causes gray smoke from exhaust?
grey exhaust smoke is caused by your engine burning oil during the combustion process. this could be caused by a piston ring that doesnt properly seal, or another leak in your engine.
What causes continues white smoke from bike exhaust?
bad head gaskets, or a crack in the block or head.
What causes blue exhaust out of a car tailpipe?
If you mean the smoke it's usually related to the quality of petrol
