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.
|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|
|Recommended engine oil||5W-30|
|Engine oil capacity, liter||4.8|
|Euro standards||EURO 3|
|Fuel consumption, L/100 km (for Mazda 6 2004)
|Engine lifespan, km||~270 000|
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.