Mastering P0505 The Ultimate Guide to Throttle Position Sensor Diagnostics and Repairs

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. A CEL popped up with code P0505 "Idle Air Control Motor Circuit," and it started idling much higher than usual (probably 1500 RPM). Code P0505 ... The most likely item is a vacuum leak providing unmetered air to the engine rising the RPM. Open the hood, remove the side covers ... 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. What are the causes of the P0505 code? · Fuel system: The fuel system may be contaminated with water, or the fuel filter could be clogged. · Throttle position ... I got the engine code P0505 in my v6 4th Gen 4Runner so it was time to clean my throttle body. This is a complete guide on how to clean the ... Idle Air Problem, not IAC valve! (code p0505) · About once every 30 drives, the idle surges. · Every drive, when the engine is up to temp, ... Code 0505: Check 1: With the engine idling at operating temperature, remove the electrical connector from the IAC valve. If the idle speed doesn ... 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. Take the Idle Air Control valve off the bottom of the Throttle Body and clean it. If that doesnt work you may need a new one.