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Old 09-18-2007, 07:42 AM   #5
CJ_Boxster
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Join Date: Jul 2006
Location: Where the Sewer Meets the Sea, CA. USA
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Well the mystery is solved, turns out i had a vacum leak of some sort coming from the little hole below the gas cap (pictured below) which caused this whining. It original purpose is to suck up vapors while you pump gas into the tank, Its apart of the ORVR

"The system you are talking about is ORVR. This system recover the vapors let out of you gas tank when you fill up your car. It only works when you fill up your car and insert the nozzle into the filler neck. When you take off your cap, push in the flap and you should hear a click for the system to start. You might have a problem with the system, if you have vacuum in that hose when the car is running, you have an issue and should go to a dealer. Peter Smith - PCA WebSite - 9/17/2002"

SO place a peice of tape over it and see if this changes anything for anyone. I did and the car runs better and is finally stopped whining.
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