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White smoke is an indicator of moisture. All cars will show water vapor at start up as heating up drives moisture out of the exhaust system AND the combustion of fuel produces water vapor. Until things warm up, slight white "smoke" can be seen coming from the exhaust. If there is a lot of smoke, more than a normal car starting up, that could be radiator fluid leaking into the combustion chamber. Is the radiator fluid level going down? If it is, that it could be a gasket leaking.
The white smoke you are seeing is steam. From your description, sounds like you have coolent seeping into the combustion chamber, mixing with your fuel/air, and exiting out through your exhaust as steam. 1, blown head gasket. 2. cracked head or block, 3, warped head due to overheating. Most common is #1.
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.
That is normal, condensation. Check your coolant level and make sure smoke doesnt smell like coolant. If it is coolant then it is a blown headgasket. Have a repair shop do a quick test.
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