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puff of blue smoke....oil S70 1999

My 70 series 1999 T5 5 speed manual runs great....smooth, very low oil consumption....has 132,000 miles on it. When parked overnight on level ground it starts right up...no smoke of any kind. But I've noticed that if the car is parked on a sharp incline overnight, (Front head up the incline)there is a puff of blue smoke when it starts. Sounds like valve seals/guides. No other symptoms. Seems like I'd need to get the head reworked to get rid of this..if I were so inclind. Is there something simpler going on here? And has anyone had there cylinder head reworked...and how much was it?$$$$?








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    puff of blue smoke....oil S70 1999

    fuel rail/injector leaking? It is strange. Hope you're not burning too lean either. Might be worth pulling some spark plugs to see their condition...black and sooty will not be a good sign.
    --
    1998 S70 T5 Emarald Green Metallic, 2004 V70 2.5T Ruby Red, Previous Owner of Black '94 850 Turbo Wagon. My cars have been running so well lately they've got me worried.







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