These Mazda 6's are another troublesome diesel engine and suffer from a variety of problems (turbo, oil pump and cam wear). I assume that your mechanica has done the basic checks on the breathers and intake system? If so then I would tend to agree with his diagnosis that it blowby due to general engine wear.
PS I think you meant you spent money on HP fuel pump, not oil pump?
Edited by WorkshopTech on 20/12/2009 at 18:24
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