Engine & fuel system
1 documented fault — symptoms, causes and workshop fixes.
Engine malfunction indicator lamp (MIL) illuminated. Trouble code stored in engine control module (ECM) fault memory: P226D
Overview
- Affects
- All models with 2.0 engine and petrol particulate filter (PPF), 06/19-12/19.
- Remedy
- Software update
Cause
Engine control module (ECM) software fault.
Repair
- Check all petrol particulate filter (PPF) pressure sensor vacuum pipes are correctly fitted and have no leaks. Repair/replace component(s) as necessary.
- Re-program engine control module (ECM) with upgraded software. Note: To carry out an effective repair a software upgrade will be required - refer to manufacturer.
Data: Motorwise Workshop. Bulletin 1.
Glossary
Technical terms used in this guide.
- ECM
- Engine control module — the electronic unit that manages the engine
- Control Module
- A control unit for one of the vehicle's systems (engine, gearbox, brakes, body, and so on)
- Re-Program
- Update the software on a control module using the manufacturer's diagnostic tool
Frequently asked questions
What are the common faults with the Mazda 3 2.0 MHEV?
This guide contains one workshop bulletin for the Mazda 3 2.0 MHEV. Of these, one concerns the engine and fuel system. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Mazda 3 2.0 MHEV have these faults?
No. These are patterns documented across the model by workshops, not predictions for an individual vehicle. Where a fault applies only to certain vehicles or VIN ranges, that is listed with the fault.
Can I check for Mazda 3 2.0 MHEV faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.