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DTC P0505: Idle Air Control (IAC) System Malfunction: Notes

WARNING: This page is about a different car, the 1999 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If DTC P0505 and P0500 are set together, diagnose DTC P0500 first. Also see ROUGH OR UNSTABLE IDLE under SYMPTOMS in TROUBLE SHOOTING - NO CODES article.