Common Fault Codes for Mazda

Mazda (Mazda 3, Mazda 6, CX-5) is equipped with SKYACTIV engines. Common faults are related to the ignition system, oxygen sensors, and the evaporative system.

Common Codes for Mazda

P0300
Ignition Coils
P0420
Catalytic Converter
P0171
Mass Air Flow Sensor (MAF Sensor)
P0455
Fuel cap / EVAP hoses
P0128
Thermostat
P0133
O2 Sensor
P0011
Variable Valve Timing Solenoid

Tips for Mazda Owners

Misfire in a single cylinder (P0301–P0304) in Mazda is often caused by a faulty ignition coil.
P0128 usually indicates a thermostat stuck open.

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Supported Mazda Models

Mazda2 / Demio · Mazda3 · Mazda5 / Premacy · Mazda6 · 323 · 626 · BT-50 · CX-3 · CX-30 · CX-5 · CX-50 · CX-60 · CX-7 · CX-9 · CX-90 · MPV · MX-5 Miata · MX-30 · RX-7 · RX-8 · Tribute · Xedos