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2004 Subaru Impreza Wagon (Natl) Outback Sport 2.5 Manual

2004 Subaru Impreza Wagon (Natl)
Trim Info:
All Wheel Drive, 4 Door Wagon, Small Station Wagon
21 mpg city / 28 mpg hwy
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June 25, 2012, 10:39 am


Question: PCV Location 2008 Subaru Impreza 2.5i

I was having some rough idling, and wanted to do a few things to help correct this issue. I changed the Coolant, Air Filter, cleaned the MAF sensor (which all seemed to help), and would like to change the PCV valve, but can't find it. Hoping you can tell me where it is, and if it will be a big job to replace?


July 4, 2012, 10:56 am

Ron W
Expert Mechanic

Couldn't find an exact location, but most are under or close to the throttle body.

Subarus tend to use threaded PCV valves, rather than just the push in type.

Here's a link to a 2000 Subaru PCV replacement someone posted. Yours should be similar.

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