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Joined: Feb 2003
Posts: 271
dea7hr0w
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dea7hr0w
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Joined: Feb 2003
Posts: 271
Apr 13, 3:38pm - #441857 
obd2 reading

i just recently purchased an OBD2 reader and the code popped out p0505, idle control system malfunction... how do i fix this problem ?

Joined: Nov 2004
Posts: 319
celicatuner
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celicatuner
2002 silver Toyota Celica
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2002 Toyota Celica

Joined: Nov 2004
Posts: 319
amherst, ma
Apr 13, 8:34pm - #441858 
not 100% sure, but I'd check your IAC valve and sensors related to engine idle.. the OBD is meant to give you an idea of what's wrong, but can't really tell you the real problem without further investigation. maybe try cleaning your throttle body?

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