Hybspec

P0505

Średni

Idle Air Control (IAC) System — Malfunction

OBD-II (EN): Idle Control System Malfunction

Code P0505 — Idle Air Control (IAC) System — Malfunction. Symptoms: unstable idle. Possible cause: dirty IAC valve. Professional diagnosis recommended.

Symptoms

Unstable idle, engine stalling, high idle speed

Possible causes

Dirty IAC valve, intake leak, faulty stepper motor

Affected systems

Silnik spalinowyBieg jałowy

Related codes

Does code P0505 require professional diagnostics?

The code alone is not enough. To find the cause, you need to read live data, check freeze frame conditions, and compare with vehicle behavior. Book a diagnostic session.