Engine & fuel system
1 documented fault — symptoms, causes and workshop fixes.
Engine oil leak from oil pressure warning lamp switch
Cause
Frequent engine starts at low ambient air temperatures cause damage to oil pressure warning lamp switch.
Repair
- Fit modified oil pressure warning lamp switch.
Data: Motorwise Workshop. Bulletin 1.
Electrical & ignition
1 documented fault — symptoms, causes and workshop fixes.
Stiff, jerky indicator switch operation
Cause
Unsatisfactory design of indicator switch.
Repair
- Fit modified indicator switch.
Data: Motorwise Workshop. Bulletin 3.
Air conditioning & heating
1 documented fault — symptoms, causes and workshop fixes.
Air conditioning (AC) inefficient
Overview
- Affects
- All models with air conditioning (AC), →07/16.
- Remedy
- Fit modified part
Cause
Poor manufacture of AC evaporator.
Repair
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Fit modified AC evaporator.
Data: Motorwise Workshop. Bulletin 2.
Glossary
Technical terms used in this guide.
- AC
- Air conditioning — the system that cools the cabin
- Evaporator
- The air-conditioning heat exchanger in the dashboard that cools the cabin air
Frequently asked questions
What are the common faults with the Mazda CX-3 1.5?
This guide contains three workshop bulletins for the Mazda CX-3 1.5. Of these, one concerns the engine and fuel system and one the electrical and ignition. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Mazda CX-3 1.5 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 CX-3 1.5 faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.