Mazda 3 2018 OBD Codes
2018 Mazda 3 OBD code pages help users narrow down common diagnostic searches for this vehicle combination. These pages are useful when someone wants to understand fault codes in the context of a specific make, model and year rather than just reading a generic code definition.
Browse the linked code pages below for this make, model and year.
P0017
Crankshaft Position Camshaft Position Correlation Bank 1 Sensor B
P0335
Crankshaft Position Sensor A Circuit Malfunction
P0340
Camshaft Position Sensor Circuit Malfunction
P0341
Camshaft Position Sensor Circuit Range / Performance
P0420
Catalyst System Efficiency Below Threshold (Bank 1)
P0430
Catalyst System Efficiency Below Threshold (Bank 2)
P0442
Evaporative Emission Control System leak Detected (small leak)
P0455
System Gross Leak Evaporative Emission
P0456
Evaporative Emissions System Small Leak Detected
P0446
Evaporative Emission Control System Vent Control Circuit Malfunction
P0401
Exhaust Gas Recirculation Flow Insufficient Detected
P0403
Exhaust Gas Recirculation Circuit Malfunction
P0115
Engine Coolant Temperature Circuit Malfunction
P0116
Engine Coolant Temperature Circuit Range / Performance Problem
P0171
System Too Lean (Bank 1)
P0300
Random / Multiple Cylinder Misfire Detected