The 2.0-liter Mazda LF-DE gasoline engine was produced by the company from 2002 to 2015 and was installed on the Asian versions of the 3, 5, 6 and MX-5 models, as well as on Ford cars under the CJBA index. In a number of markets, the LF-VE power unit is found, which is distinguished by a phase regulator at the inlet.
The L-engine family also includes:
The engine was installed on:
- Mazda 3 BK in 2003 – 2008;
- Mazda 3 BL in 2008 – 2013;
- Mazda 5 CR in 2005 – 2007;
- Mazda 6 I (GG) in 2002 – 2007;
- Mazda 6 II (GH) in 2007 – 2012;
- Mazda MX-5 NC in 2005 – 2015.
Specifications
| Production years | 2002-2015 |
| Displacement, cc | 1999 |
| Fuel system | distributed injection |
| Power output, hp | 140 – 160 |
| Torque output, Nm | 175 – 195 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 87.5 |
| Piston stroke, mm | 83.1 |
| Compression ratio | 10.8 |
| Features | DOHC |
| Hydraulic lifters | no |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.3 |
| Fuel type | petrol |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Mazda 6 2006) — city — highway — combined |
9.8 5.4 7.0 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 105 |
Disadvantages of the Mazda MZR LF-DE engine
- The first years there were a lot of cases with jamming or falling out of the intake dampers;
- The fault of floating revolutions is most often malfunctions of the throttle assembly;
- The weak points of the motor also include the thermostat, pump and right engine mount;
- On runs over 200,000 km, an oil burner and timing chain stretch are common;
- Since there are no hydraulic lifters, the valves will have to be adjusted every 100,000 km.
