Help with P0508
#16
Registered User
iTrader: (1)
Joined: Nov 2006
Posts: 243
From: Vacaville, CA
Car Info: JDM STI V7 EWG powered 2003 Subaru MBP WRX
Thisis the 'cleaning' method I was talking about.
My IACV cleaning writeup - NASIOC
Unless you do it this way, your IACV isnt really going to be fully cleaned, therefore could possibly have the same issues. My JDM one that came with the engine I bought was clean, but still didnt fix the issue. I took my USDM one, cleaned it like this and installed it accordingly, and all my problems went away. Mine was idling high, then throwing the code and going into limp mode, but not after I cleaned it this way. Good luck!
My IACV cleaning writeup - NASIOC
Unless you do it this way, your IACV isnt really going to be fully cleaned, therefore could possibly have the same issues. My JDM one that came with the engine I bought was clean, but still didnt fix the issue. I took my USDM one, cleaned it like this and installed it accordingly, and all my problems went away. Mine was idling high, then throwing the code and going into limp mode, but not after I cleaned it this way. Good luck!
Last edited by wrecker83; 03-22-2013 at 09:37 AM.
#18
Thread Starter
Registered User
Joined: Jan 2008
Posts: 150
From: Watsonville, Ca
Car Info: 2002 Subaru Impreza WRX
Thisis the 'cleaning' method I was talking about.
My IACV cleaning writeup - NASIOC
Unless you do it this way, your IACV isnt really going to be fully cleaned, therefore could possibly have the same issues. My JDM one that came with the engine I bought was clean, but still didnt fix the issue. I took my USDM one, cleaned it like this and installed it accordingly, and all my problems went away. Mine was idling high, then throwing the code and going into limp mode, but not after I cleaned it this way. Good luck!
My IACV cleaning writeup - NASIOC
Unless you do it this way, your IACV isnt really going to be fully cleaned, therefore could possibly have the same issues. My JDM one that came with the engine I bought was clean, but still didnt fix the issue. I took my USDM one, cleaned it like this and installed it accordingly, and all my problems went away. Mine was idling high, then throwing the code and going into limp mode, but not after I cleaned it this way. Good luck!
#19
Registered User
iTrader: (1)
Joined: Nov 2006
Posts: 243
From: Vacaville, CA
Car Info: JDM STI V7 EWG powered 2003 Subaru MBP WRX
Yea, it was eaaaaasy.....also, i used wd40 to clean the insode of the aluminum casing, which then helped the bearing in between the housing and the motor spin easier. Hope it works for ya!
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01-10-2005 02:38 PM