White smoke on cold start

What causes white smoke and engine blow by? What could cause white smoke and no coolant? Why do diesels smoke white when cold? Is white smoke at idle always injectors? If you notice you are low on coolant or having to add coolant then there could be an issue.

This is a common occurrence, especially in colder climates. When it’s cold outside and you notice white smoke at startup , then you probably have nothing to worry about. When the warm or hot exhaust gases meet cold outside air, condensation and steam is a result.

White smoke on start up in the morning for a few seconds is normal and harmless. But it is always a good idea to keep an eye on your oil and coolant levels on any car, smoke or no smoke. Even in a hot and humid climate , there will be some condensation in the exhaust system overnight.

The white smoke means oil is leaking into the cylinders after the car is parked for a while. Like Share Re: My Car Exaust Smokes White Only On Cold Start Up. The reason for this type of white smoke is due to burning coolant that somehow got mixed up.

Or else, when your car is lacking coolant , the car may heat up and exhaust white smoke. Ford Scorpio MkGhia 2. D Cold Start Over 3-Years. Duramax Smoking and Hard Start Easy Cheap Fixes. Sometimes diesel engines emit a white smoke while starting. Diesel engines need high compression and heat for fuel combustion.

It can be especially difficult to start a diesel engine during cold weather. Diesels with an engine temperature below about F. The truck started pouring out white smoke cold starts in the winter. Excessive smoke , I am the original owner and it is not just the typical diesel haze. Smoke smells of raw diesel and completely goes away after a few minutes of driving.

White Smoke at Start -up and Short Term Driving Condensation that accumulates inside the exhaust pipes, converter and mufflers can produce a puff of white smoke upon diesel engine start -up. In very cold temperatures, the heated exhaust can freeze into minute fuel droplets when exiting the exhaust and produce a more prolonged emission of white smoke for a very short period of driving time. Excessive white smoke could be an indication of inoperative glow plugs, loose injectors, low compression from worn rings or bent connecting rods, or coolant leak into the cylinders.

Some white smoke is normal on cold start -ups. Black smoke : Caused by excessive fuel for the amount of air drawn into the cylinders. If after a long cranking with no start you get a lot of white smoke (raw unburnt fuel) out the exhaust, the problem is in the glow plug system. If you do not get any smoke , the problem is probably in the FICM.

Use of our Flushing Oil Concentrate and FTC Decarbonizer address these respective problems. Water entering combustion spaces will also create white smoke. Sits overnight and idles ROUGH and blows white smoke out for sec to a minute, then runs fine and starts fine the rest of the day. The oil leaks past them all the time, but when you park the oil falls past them and sits in the cylinder until you fire it up again.

The oil burns away, white (blue) smoke, and looks clean until next time.