Smoke from tailpipe on startup

In this case, bad seals or piston rings cause oil to leak into combustion chamber which then mixes with fuel and burns. The result is a white or light bluish smoke that comes out from exhaust manifold. Worn piston rings or cylinders: Piston rings seal the space between the piston and cylinder wall.

If the piston rings or cylinder walls are worn, a proper seal can’t be formed. As a result, oil will get sucked into the combustion chamber. White smoke can be a big problem or not, depending on the thickness.

The white smoke is the result of normal condensation which builds up inside the exhaust system. Blue smoke will suggest piston rings have become faulty and has allowed oil to move from lubricating engine parts. A turbocharged car will also send out blue smoke whenever the blower has to be replaced. Before you think about a do-it-yourself project that includes your car’s exhaust system,. Dean, 5woil is fine, Some white smoke at start up from cold engine is fairly normal and will dissipate (stop) for the most part after engine and exhaust has warmed up to operating temperature.

If you notice you are low on coolant or having to add coolant then there could be an. One cause of white smoke from the exhaust might be the engine leaking coolant. If the engine leaks coolant, it will be burned by the heat of the engine and then come out as smoke from the exhaust.

A problem with antifreeze might also be causing white smoke to come from the exhaust. Antifreeze is used to stop your car from seizing up in cold weather. But it’s like a cloud of white smoke. What can cause white smoke from exhaust? On cold winter days, it is common to see white smoke from exhaust pipe as soon as you start the car.

As the engine warms up after a few minutes, this white smoke will not be reduced because condensation is dissipated. This is nothing but steam caused due to condensation. Now if the head gasket is blown, the coolant will leak out or will go inside the cylinder, if it goes inside the cylinder it will burn off into steam, the steam will then go out as white smoke from the exhaust of your car.

If your car emits a little black smoke at start-up, but it clears up as the engine warms to operating temperature, don’t worry – that’s normal for some cars. If it continues after the car warms up, there’s cause for concern. L EcoBoost engine may exhibit excessive white or blue smoke from the exhaust at start up. Blue smoke is usually transmission fluid due to a leaking modulator valve in the older auto transmission.

Black smoke is burning oil. Answer cracked heads. Mine started misfiring, with new plugs. After that it is fine until the next day it does it again. Smoke came out the exhaust.

Even in a hot and humid climate, there will be some condensation in the exhaust system overnight. It uses no oil at all. Take the same precautions as with blue smoke , and check for excessive oil consumption. Gray smoke can also be an issue with your automatic transmission fluid getting burned up in the engine. Watch your coolant level for any dissappearance.

If its coolant, its probably a head gasket leak, letting coolant into the combustion chamber and blowing it out the exhaust.