Tackling P0505 The Ultimate Guide to Idle Air Control System Maintenance

The check engine light is getting triggered when the PCM is in a closed loop operation. It also means that it is starting to monitor the OS2 sensor input. His suggestion was to take off the Throttle body assy, remove the IAC Valve, take it apart, clean it thoroughly, and lube with WD-40. It worked. Scion xA/xB 1st-Gen Drivetrain & Power - P0505 woes - Hello all, I have a 2005 xB with 190k miles on it and its been running great besides ... That code can mean anything that interferes with a smooth idle, including bad gas, oil in the charge pipe, a dirty Maf sensor, even a broken ... A P0505 is an Idle Air Control issue, it has nothing to do with the PCM. The IAC is what provides and controls all of the engine's air when the ... Toyota Corolla p0505 idle control system malfunction. 23K views · 2 years ago MILAN MALL ...more. Sai baba Auto electrical engineer. 3.67K. Claim your FREE engine code eraser https://free.nonda.co ============================= nonda Auto DIY Center is the biggest auto DIY ... It says most common reasons are Stuck IACV or a vacuum leak. When I suspected IACV problems, I just popped the valve off, 2 bolts, stuck a 9 volt battery to ... P0505 can be caused by not only a bad IACV but also a vacuum leak, misadjusted idle speed, bad ECT sensor/circuit, or bad TPS sensor/circuit. It seems that the hose doesn't want to stay fully engaged and keeps cocking a bit. I'll pickup a hose clamp tomorrow to help secure the hose.