The Mazda RF5C 2.0-liter turbo diesel engine was assembled by the company from 2002 to 2005 and was installed only on European versions of the 6 series models and the popular MPV minivan. After a slight modernization in 2005, this power unit received a new RF7J index.
The MZR-CD family also includes diesel engines: RF7J and R2AA.
The engine was installed on:
- Mazda 6 I (GG) in 2002 – 2005;
- Mazda MPV LW in 2002 – 2005.
Specifications
| Production years | 2002-2005 |
| Displacement, cc | 1998 |
| Fuel system | Common Rail |
| Power output, hp | 120 – 135 |
| Torque output, Nm | 310 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 86 |
| Piston stroke, mm | 86 |
| Compression ratio | 18.3 |
| Features | SOHC |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | IHI VJ32 |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.8 |
| Fuel type | diesel |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Mazda 6 2004) — city — highway — combined |
8.3 5.5 6.5 |
| Engine lifespan, km | ~270 000 |
| Weight, kg | 195 |
Disadvantages of the Mazda RF5C engine
- The most famous problem of this diesel engine is the burnout of the sealing washers under the nozzles.
- The return of the injectors can also leak, then the oil will begin to mix with the fuel.
- Often in the motor, the solenoid valves of the vacuum lines fail.
- Engine weaknesses also include the SCV valve in the high pressure fuel pump, the vacuum pump and the mass air flow sensor.
- In versions with a particulate filter, diesel fuel often enters the oil during burning.






if one wanted to replace the mazda rf5c diesel engine what engine would be suitable for this little truck