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Steaming Or Smoking Exhausts

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The Ford Mondeo hit our roads in 1993, and has consistently been a sales success. Now on its 4th incarnation, it remains a drivers favourite.
For more information, visit the Ford Mondeo forum on, the definitive resource site covering all Fords from the present day to the 1970's.

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Steaming Or Smoking Exhausts


All engines will produce some water vapour (steam) whilst running, and will appear to produce more on a cold day. However, if your exhaust fumes are smoky, this may indicate something wrong with the engine which will need attention before long...

Blue smoke on start-up: Valve Seals

Blue smoke when driving: Piston Rings

White smoke: Head Gasket or if diesel (tcdi) turbo blown.