P0505 2001 Infiniti I30 -

Question

My idle is high check engine is on and i know its the p0505 code so how can i narrow to what part i need or where do i start i don't need to spend on a part that is not the issue.

Answer 1

You have to replace the AAC/IAC valve and possible the Engine Control Module. You can get a new aftermarket valve for less than $80 online and have the ECM rebuilt (Check eBay, you can get the ECM rebuild for about $100).