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
Changing plugs found oil on 2 rear plugs
1994 Mazda MX-5 Miata Base
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Maintenance & Repair
Can I add engine oil to my 2001 miatas that has froze up?
2001 Mazda MX-5 Miata
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Maintenance & Repair
2007 auto MX5 grand touring power top. Runs great, does not overheat .cannot find a leak in cooling system any where. every few weeks all the radiator fluid in the reservoir runs out, apparently thru ...
Mazda MX-5 Miata
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Maintenance & Repair
I don't have electrical power to anything but the head lights.
1991 Mazda MX-5 Miata Base
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Maintenance & Repair
5 quarts of oil were put into my 2004 Miata. On the dipstick, it comes up a bigger distance than the distance from "low" to "full." The old oil was drained thoroughly. 1. Will this overfill hu...
2004 Mazda MX-5 Miata LS
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Maintenance & Repair
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