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Grey smoke

Gibbop

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Gosport, UK
#1
I've got a 05 st 150 that sometimes emits grey smoke out of the exhaust. Mainly under hard acceleration but not all the time.
Once at a constant speed no smoke at all . Any ideas????
Thank Paul
 


TyphoonFiST

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Rich-fizzield
#2
I've got a 05 st 150 that sometimes emits grey smoke out of the exhaust. Mainly under hard acceleration but not all the time.
Once at a constant speed no smoke at all . Any ideas????
Thank Paul
If its Turboed....most likely Turbo oil seals. Especially if its higher mileage. If not Turboed it will be piston rings or valve guide seals or a combination. Justice Bros makes a engine oil cleaner that could help with the rings if they are gummed up. FYI.

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