What does code P1309 mean on Mazda vehicles?
The ECU has detected engine misfire events during operation.
OBD-II Code Mazda
P1309 — Mazda — Misfire Detection Monitor
The ECU has detected engine misfire events during operation.
Common symptoms
- Rough running
- vibration
- reduced power
Possible causes
- Ignition system fault
- fuel delivery issue
Initial recommendation
Perform complete misfire diagnosis including ignition and fuel systems.
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 P1309 with your vehicle's actual symptoms for more complete diagnostic guidance.
Go to the app View more brands