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Old 04-13-2009, 11:41 PM   #1
Scooby Newbie
Member#: 59992
Join Date: Apr 2004
1997 Legacy L EJ22

Default P1507 and P0505 after cleaning IAC...

So I had to take my IAC off when i was pulling my tranny to get access to the service hole.

I took the liberty to clean it off with q-tips and rubbing alcohol while it was off.

Now when i start the car up the idle is at around 1200 when warm and the suddenly the CEL came on and idle dropped to about 800-900 but it was a very rought idle. The two codes that came up are: P0505 and P1507. Apparently both related to IAC.

I didn't change the gasket, but on the older EJ22s its not a rubber gasket, but instead some type of composite material.

I also sprayed throttle body cleaner all around the IAC and vacuum hoses in that area, I couldn't detect any changes in idle. I don't believe that I have a vacuum leak.

Any ideas? is it possible that i screwed up the IAC trying to make it better by cleaning it... Car was running fine prior to tranny pull and reinstallation.
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Old 04-13-2009, 11:42 PM   #2
Scooby Newbie
Member#: 196860
Join Date: Dec 2008
Chapter/Region: NWIC
Location: Runnin bootleg booze.


CELs .... hate em.....

That is all
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