Engine & fuel system
1 documented fault — symptoms, causes and workshop fixes.
Lack of power
Overview
- Affects
- All models with petrol engines, →04/16.
- Fault codes
P0300P0301P0302P0303P0304- Remedy
- Fit modified part
- Parts
- 1 part
Symptoms
Engine malfunction indicator lamp (MIL) illuminated. Trouble codes stored: P0300, P0301, P0302, P0303, P0304. Erratic idle.
Cause
Faulty ignition coil(s). Note: This fault is only associated with ignition coils made by Yumebishi.
Repair
- Check ignition coil(s) for damage and/or high resistance.
- Fit modified ignition coils as necessary.
Parts1 part
| Part | Part number | Qty |
|---|---|---|
| Ignition coil | PE20-18-100A | As required |
Data: Motorwise Workshop. Bulletin 1.
Glossary
Technical terms used in this guide.
- MIL
- Malfunction indicator lamp — the engine warning light on the dashboard
- Trouble Codes
- Standardised fault codes stored by the engine control module, read with a diagnostic tool
Frequently asked questions
What are the common faults with the Mazda 3 1.6?
This guide contains one workshop bulletin for the Mazda 3 1.6. Of these, one concerns the engine and fuel system. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Mazda 3 1.6 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 1.6 faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.