Questions & Answers for: Ford p1505

...giving this code, yet she says it still runs fine. Can any one help Diagnostic Trouble Code (DTC) P1505 indicates the IAC system has reached the adaptive clip. Possible causes: Air leaks. Plugged ...

Ford Code P1505 for 1994 Ford Thunderbird Lx Adaptive Idle Air Control Strategy The Adaptive Idle Air Control (IAC) strategy is designed to adjust the IAC calibration to correct for wear and aging of ...