Head gasket oil leak

Asked by Oct 03, 2014 at 09:54 PM about the 1994 Mazda MX-5 Miata Base

Question type: Maintenance & Repair

Changing plugs found oil on 2
rear plugs

2 Answers


More likely valve seals. AKA valve job.


The valve cover gasket is know to leak oil down into the plug holes. Heres is link that will help you get it fixed: http://miata.net/garage/valvecover/index.html

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