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-   -   Oil separator making noise on ignition (http://986forum.com/forums/performance-technical-chat/43623-oil-separator-making-noise-ignition.html)

Barteur 03-17-2013 04:49 PM
Oil separator making noise on ignition
 
I hear a noise from the oil separator as soon as I switch the ignition on. Sounds like a fluorescent ballast ready to blow up. Is this normal or I should change it. Thaks in advance!
Edit: I have a Boxster 99 2.5l

san rensho 03-17-2013 05:06 PM
You are probably hearing the air injection system, which injects air into the exhaust to lessen emissions on start up. The AOS does not make any noise, even in failure mode.

Barteur 03-17-2013 05:10 PM
I thought it was this part since when I put my hand on it and kind of shake it the noise change. Is this a normal noise?


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