check engine light, questions.....
Thread Starter
Registered User
Joined: Feb 2004
Posts: 21
From: east bay, Ca
Car Info: 05 STI
check engine light, questions.....
first off vehicle is totally stock.
My brother was driving his 03 wrx back from Sac yesterday and the check engine light came on. I checked it today, light is out. Pulled the codes with the smog machine. Found codes P0507 & P0509 stored. Any idea as to what these codes are for?
Jordan Sturtz
05 STI
My brother was driving his 03 wrx back from Sac yesterday and the check engine light came on. I checked it today, light is out. Pulled the codes with the smog machine. Found codes P0507 & P0509 stored. Any idea as to what these codes are for?
Jordan Sturtz
05 STI
Registered User
Joined: Feb 2004
Posts: 720
From: The Hunted Forest
Car Info: Mazda Protege '02 (Wishing protege has AWD and a H6 twin turbo)
P0507
Idle Control System RPM Higher Than Expected
P0509
Idle control system circuit high input
Can't think off the top of my head what would cuase it.
Idle Control System RPM Higher Than Expected
P0509
Idle control system circuit high input
Can't think off the top of my head what would cuase it.
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Joined: Nov 2002
Posts: 3,639
From: Longing for my ol' white '02 WRX :(
Car Info: 2016 Acura RDX ... meh. Um, nice subwoofer?
Make sure your throttle cable is not sticking/is going out as far as it should. Other guesses, a bad or failing TPS or IAC sensors.
jason
jason
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