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white smoke is a sign of water in the exhaust , the question is how is it getting there , if only when initial start then goes off then it's only condensation in the exhaust system heating up and turning to steam , if it goes on when driving check coolant level and check engine oil for signs of coolant contamination
Is it a lot of white smoke? White/Gray Smoke: White exhaust smoke is an indication that coolant is burning in the combustion chamber. These are possible causes:
Cylinder Head: A crack in the cylinder head (around the coolant jacket) will cause coolant to enter the combustion chamber.
Although for some cars white smoke is normal, as long as it is not super excessive.
Typically the symptoms that you describe means coolant in the combustion chamber. Not a good thing at all. It needs to be fixed, as if a cylinder fills with coolant, you have hydro lock, meaning liquid cannot compress like a gas. This breaks rings. Usually, you have a head crack, gasket leak or something similar, all pricey to fix. To test, pressurize the cooling system to spec (like 12 to 14 psi, listed on CAP) pull plugs, and look for fluid in a cylinder.
white smoke out of the exhaust would be a sign that it is burning coolant... if it goes away after it warms up, it could just be condensation inside the exhaust pipe. 1800 rpm is a very high idle, maybe have your IAC motor on the throttle body checked... check engine light? if so have the code read at your local auto zone.
You have a head gasket leak. The gasket is allowing heat/exhaust to pass from the exhaust ports to the cooling jacket (antifreeze). This makes the coolant grimmy. As you move from traffic to park the car, there is no more exhaust gasses pressurizing the exhaust ports and now the hot, pressurized coolant is allowed to move from the cooling jacket into the exhaust port, turn to vapor and escapes through normal exhaust routes.
Its the problem of oil.The oil is getting burned out. The vehicle is either burning oil or it is moisture in the gas chamber if you notice white smoke from the exhaust. This is a common possibility.but in some cases this white smoke is not due to oil burning.In that case White smoke from the exhaust is a symptom of coolant entering the combustion chamber. Normally this is a sign of a blown head gasket or cracked head. And this is not a common problem must be repaired immediately. You must STOP driving this vehicle or you will cause serious engine damage. you will have to get both this possibilities checked. Thanks. you can rate this solution and show your