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Q: truck overheating and white smoke coming out through the tail pipe on 2005 Ford F-250 Super Duty

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my truck just left me on the side of the road due to overheating. it had started hesitating and blowing white smoke while on idle until it started overheating and smoking white continuously. what do you think my problem is?
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Agree with Roy most likely a blown head gasket. The most accurate way to test for a blown head gasket on a gasoline engine is to test for the presence of carbon monoxide in the cooling system. Snap-On, Matco (part # CO 2000), and Napa sell a tool to check to carry out this test. Another link to a supplier of this tool is http://www.etoolcart.com/combustion-leak-detector-lis75500.aspx. Carbon Monoxide is only present if there is a blown head gasket or cracked cylinder head. http://www.arrowheadradiator.com/head_gasket_or_combustion_leak_test.htm I think the napa part number 700-1006. http://www.blockchek.com/instructions.htm . Signs of a blown head gasket are coolant loss (frequently have to top up the coolant level of the engine without seeing an obvious leak), experiencing over heating or rough engine running or the presence of white sweet smelling steam from the exhaust. A badly blown head gasket may allow engine coolant and oil to mix.
Could it not be the EGR valve to make it smoke like that since there is no water in the oil? Isn't that what happens when the EGR valve acts up, white smoke, heats up, etc.? Curious to know??????
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