I have oil in air cleaner housing why?

Asked by Jun 16, 2015 at 08:03 PM about the 1986 Mazda B2000

Question type: Maintenance & Repair

I took air cleaner cover off and found oil in the housing. Tube from valve cover has a filter it was soaked with oil. Dried out the filter.

1 Answer


Sounds like a clogged PCV valve. Replace it and inspect the PCV valve hose. HTH. -Jim

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