Subieaction Posted March 28, 2014 Share Posted March 28, 2014 So I have a P0401 error code :woowoo:on my 2005 Legacy GT, only mod is an Magnaflow exhaust. I need some helping hands to help me track down the exact cause of this. Will supply beer for help. Cheers, Chris:lol: Link to comment Share on other sites More sharing options...
Crawdaddy79 Posted March 29, 2014 Share Posted March 29, 2014 I can't help you but I'll take your beer. Link to comment Share on other sites More sharing options...
jeffy2.5xt Posted March 30, 2014 Share Posted March 30, 2014 thats an egr code, check the vac lines associated and see if theres any breaks or rotten lines, or just go ahead and replace them since they have probably seen better days anyways and its cheap insurance. beyond that might be a bad egr valve. Link to comment Share on other sites More sharing options...
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