Unlocking Automotive Knowledge P0505 - The Essential Guide to Idle Air Control System Diagnostics

I have a code P0505 for the idle air control system. Truck idles at about 1500 RPM and you can hear a sucking noise from the trottle body where the IAC goes in. The whole point of an idle air control valve is to regulate the air coming through that bypass channel. If they are plugging it and it is going ... 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 ... The P0505 code means there is a short in the IAC valve circuit. I replaced the valve, check the wiring and old valve - both where ok. I'm ... I keep getting the p0505 code. Everything seems fine, runs smoothly, idles fine. I have been searching for intake vac leaks, but no luck. Any ideas anyone? Depress the accelerator pedal slightly. Start the engine and run for 5 seconds. Turn the ignition switch to the OFF position for 10 seconds. The P0505 code can be caused by a faulty idle air control valve, vacuum leak, damaged wires or connectors, an idle speed that isn't calibrated, ... 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 ... in this video I'm gonna share with you how to diagnose and Fix a P0505 Trouble code on a HONDA Accord! #hondaaccord #idle #enginespeed. P0505. Idle Control System Malfunction. CIRCUIT DESCRIPTION. The rotary solenoid type IAC valve is located on the throttle body and intake air bypassing the ...