P0505 The Definitive Guide to Throttle Position Sensor Troubleshooting

If one of the applied vehicles above has a DTC P0505 AAC/V stored, with no customer driveability incident, it may be caused by an elevated ... That doesn't mean that the P0505 error code is caused only by the failure of the idle air controller. Want to erase your check engine light and fix your P0505 ... 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. The code sets when it can't get the idle speed within +200 / -100 of the target for more than x seconds, and it takes a failure in two successive drive cycles ... That is an open or short code for the IAC since you had your engine replaced simply check if it is plugged in. Follow this step by step how to DIY video guide from IZZY's GARAGE on how to remove and change your old, malfunctioning IDLE AIR CONTROL ... Code 0505: Check 1: With the engine idling at operating temperature, remove the electrical connector from the IAC valve. If the idle speed doesn ... 1st- I believe the IACV is shorting due to it overheating. Both bad IACV's showed no signs of deterioration in the coolant channels, just bad impedance ... TJ Addict · Faulty Idle Control System motor · Idle Control System motor harness is open or shorted · Idle Control System motor circuit poor ... I've replaced the IAC valve, thoroughly cleaned the throttle body and can't find any vacuum leaks. Idles very high and can't figure this out.