Conquering P0505 A Step-by-Step Guide to Fixing Idle Air Control System Issues

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, ... 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. TJ Addict · Faulty Idle Control System motor · Idle Control System motor harness is open or shorted · Idle Control System motor circuit poor ... A P0505 trouble code will generally trigger the check engine light on. Depending on your vehicle's make, the check engine light may be referred to as the CEL. The error seems to happen before the Jeep ever starts, or the code does not get logged until the jeep is turned off. 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. VSC/OFF, engine light, three lights come on together. kinda scare to me. after i got home, i used the code reader, it's P0505,, idle air control ... P0505 is thrown when your idle air PWM cannot reach the desired RPM the ECU wants. I get this when controlling my idle with an aftermarket ECU ... Possible Causes of P0505 · IAC mechanical malfunction · Throttle body clogged port · Intake manifold gasket leak · Intake snorkel or hose leak ... 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 ...