OBD-II Code Mazda

P1123 — Mazda — Throttle Position Stuck Open

The throttle plate is detected as stuck in the open position, preventing proper idle and throttle control.

Brand Mazda
System Engine
Severity High
Safe to drive? Not recommended
Advanced scanner Not necessarily

What does code P1123 mean on Mazda vehicles?

The throttle plate is detected as stuck in the open position, preventing proper idle and throttle control.

Common symptoms

  • High idle speed
  • poor throttle control

Possible causes

  • Damaged throttle body
  • mechanical binding

Initial recommendation

Service or replace throttle body as necessary.

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.

Analyze this code with MecaOBD

Use the app to combine Mazda code P1123 with your vehicle's actual symptoms for more complete diagnostic guidance.

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