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PCV system overhaul and injector service S90-V90 1998

I doubt it is oil getting into the cylinders. There is a school of thought that a gradual transition to synthetic is recommended in an engine has always been using conventional. For example, try mixing 50/50 synthetic and conventional in your next oil change.






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New PCV system overhaul and injector service [S90-V90]
posted by  vp965  on Fri Apr 27 09:37 CST 2018 >


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