P0505 The Key to Understanding and Resolving Idle Air Control System Malfunctions

The ECM operates only the IAC valve to perform idle–up and provide feedback for the target idling speed. DTC No. DTC Detection Condition. Trouble Area. P0505. It sounds like you are going to need to replace the Idle Air Control Valve. The IAC Valve is mounted to the side of the throttle body. I own a 2001 Cherokee Sport. Recently I've been having an issue with my RPM at idle. It surges anywhere from as low as 300 RPM to as high as 1400 RPM. Detailed information on troubleshooting and repairing a P0505 DTC code which refers to a malfunction of the IAC (Idle Air Control) system. 95.5-2004 Tacomas & 96-2002 4Runners - Code P0505 - Well guys, I just came back from AutoZone and found an error code of P0505: Idle Air ... 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, ... 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 ... The P0505 code, along with the P0506 and P0507 codes, have to do with your vehicle's idle air control valve (IAC), a piece commonly found on or near the ... P0505 means an irregular voltage detected in any IAC circuit. Our expert mobile mechanics can diagnose and fix your P0505 trouble code wherever you are. The ODBII code P0505 indicates a malfunction in the idle control system, which regulates the engine's idle speed.