What does code P1505 mean on Mazda vehicles?
The idle air control system has reached its adaptive limit while attempting to control idle speed.
OBD-II Code Mazda
P1505 — Mazda — Idle Air Control System at Adaptive Clip
The idle air control system has reached its adaptive limit while attempting to control idle speed.
Common symptoms
- High idle speed
Possible causes
- Dirty idle air control valve or throttle body
Initial recommendation
Clean throttle body and idle air control components.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
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