Vehicles using SKYACTIV-D 2.2 engine list:

Engine SKYACTIV-D 2.2

Symptoms:
- Loss of power or reduced engine performance
- Excessive smoke from the exhaust, particularly white or blue smoke
- Engine warning light illumination (check engine light)
- Rough idling or engine hesitation
- Increased fuel consumption
- Unusual noises from the turbocharger or engine

Diagnosis:
- Check for fault codes using an OBD-II scanner to identify specific issues such as EGR valve faults or DPF (Diesel Particulate Filter) problems.
- Inspect the EGR (Exhaust Gas Recirculation) system for clogging or malfunction, as it is prone to carbon buildup.
- Examine the DPF for clogging or regeneration failures.
- Test the turbocharger for proper operation and signs of wear or damage.
- Verify fuel system integrity, including injectors and fuel pressure.
- Perform compression tests to rule out internal engine wear or damage.

Fixes:
- Clean or replace the EGR valve to resolve carbon buildup and restore proper exhaust gas recirculation.
- Perform DPF regeneration or replace the filter if severely clogged.
- Repair or replace the turbocharger if faulty.
- Replace faulty fuel injectors or repair fuel system leaks.
- Update engine control software if Mazda has issued relevant ECU updates to improve engine management.
- Regular oil changes with manufacturer-recommended oil to prevent engine wear.
- In severe cases, engine component repairs or rebuilds may be necessary.

Prevention:
- Use high-quality diesel fuel and adhere to recommended fuel standards.
- Follow Mazda’s scheduled maintenance intervals strictly, including oil and filter changes.
- Avoid frequent short trips that prevent the DPF from reaching regeneration temperature.
- Drive at higher engine loads periodically to facilitate DPF regeneration.
- Monitor engine warning lights promptly and address issues early.
- Keep the EGR system clean by using fuel additives designed to reduce carbon deposits if recommended.
- Ensure software updates are applied during servicing to optimize engine performance and emissions control.

By following these guidelines, owners of Mazda CX-5 and Mazda 6 models equipped with the SKYACTIV-D 2.2 engine can maintain engine health and minimize common issues.