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Old 03-26-2017, 05:44 PM   #36
Scooby Newbie
Member#: 465083
Join Date: Mar 2017
Chapter/Region: NWIC
Location: Moscow, Idaho
2004 WRX

Default 2004 WRX P0447 Code: How to Fix Connector

Great explanation; it helped me find the cause of the P0447 CEL code immediately.

As with so many other posts on this subject, one of the two wires to the fuel system drain valve (R69 at WI-191 in the Service Manual wiring diagram) had corroded and broken off at the connector. It is the same connector as shown in NJReppin's February 27, 2014 Post:

Is it possible to fix this? Can the female metal connector be removed from the plastic housing and replaced? If so, how?

This connector is for a 2004 WRX, which is different from those shown in the other posts for the later model.

The majority of posts for the P0447 code result from this problem, caused by debris and water from the rear wheel splashing up, leading to corrosion and this connector's failure. Is there no Subaru fix?

Many thanks.

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Last edited by dpalm; 03-26-2017 at 06:09 PM.
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