p0507
Moderate
Mazda · Sedans
Idle Air Control System Malfunction
Quick Answer
Error code P0507 on your Mazda Sedans means: Idle Air Control System Malfunction. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
NCBLGHSE
Likely Causes
  1. Vacuum leak
  2. Faulty idle air control valve
  3. Dirty throttle body
  4. Intake air leak
  5. Defective mass air flow sensor
How to Fix It
1
Check for vacuum leaks using smoke test
2
Clean throttle body thoroughly
3
Inspect idle air control valve
4
Test mass air flow sensor output
5
Clear codes and perform idle quality check
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Idle air control valve
Throttle body cleaner
Intake gaskets
Related Error Codes
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