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yimmy149 · 12-22-2009, 07:52 AM

Try removing the oil filler cap in the trunk with the engine running. If it is difficult to remove and/or makes a sucking sound - you probably have a failing AOS.

-james

12-22-2009, 07:52 AM	#4
yimmy149 Registered User Join Date: Apr 2009 Location: Bothell, WA Posts: 279	Try removing the oil filler cap in the trunk with the engine running. If it is difficult to remove and/or makes a sucking sound - you probably have a failing AOS. -james __________________ '01 Boxster S, 51k miles '05 Mazda 6 Grand Touring Wagon