Causes and Fixes P0505 Code: Idle Control System
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- Опубліковано 26 жов 2023
- How to fix a P0505 engine code: Idle Control System.
A P0505 code is set when the computer detects the engine RPMs at Idle are erratic.
An Idle Air Control (IAC) valve is controlled by the computer and allows air to bypass the throttle body butterfly.
Some newer vehicles can use an electronic Throttle Actuator System (ETC), which controls the throttle plate butterfly.
After cleaning or replacing throttle body parts, the engine may need an Idle Relearn Procedure.
Possible Causes of a P0505 Code
Dirty Throttle Body
Faulty Idle Air Control Valve (IAC)
Wiring
Vacuum leak
The information in this video is based on the OBDII protocol definitions, manuals, and my own experience. Always pay attention to any other DTC codes as they may point to a different cause.
If you have fixed this code and have information not provided let us know in the comments.
By using this information user assumes all risk of use.
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I a 1996 and a 1999 civic and you have good advice ...... great video and information ..... thank you
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I needed to see this thank you very much i have that problem
Good video my brother
Hello , I have a 2006 lexus gs300 ,does this year have the IAC ? It's showing code p0505
you r a fast speaker. how to do you do that. or probably you are an auctioneer from " storage wars. " very impressive though
Just bough one and it has the same issue I check the sensor under the throttle body and it was unplugged so I got excited and plugged it up and started the truck and the idle went up to 2k rpm’s the sensor looks shiny new any idea what could cause it to be higher when plugged in vs unplugged
got this code on a 05 gs300. o’reilly scanner indicated idle control valve is the fix. thoughts?
As most youtubers act like there herecto help us. Make a video for views. Someone asked a question and it never gets answered. Smh