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.
L-engine family:
1.8 L – L8-DE, L813;
2.0 L – LF-DE, LF-VD, LF17, LFF7;
2.3 L – L3-VE, L3-VDT, L3C1;
2.5 L – L5-VE.
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 |
The engine was installed on:
- Mazda 3 BK in 2003 – 2008, 3 BL in 2008 – 2013;
- Mazda 5 CR in 2005 – 2007;
- Mazda 6 I (GG) in 2002 – 2007, 6 II (GH) in 2007 – 2012;
- Mazda MX-5 NC in 2005 – 2015.
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.
Frequently asked questions about the Mazda LF-DE
How much power does the Mazda LF-DE make?
The Mazda LF-DE develops 140 - 160 hp and 175 - 195 Nm of torque.
How much oil does the Mazda LF-DE take and which one?
Engine oil capacity: 4.3 liters. Recommended oil: 5W-30.
Does the Mazda LF-DE have a timing belt or chain?
The Mazda LF-DE uses a timing chain.
Is the Mazda LF-DE turbocharged?
No, the Mazda LF-DE is naturally aspirated.
Does the Mazda LF-DE need valve clearance adjustment?
Yes, there are no hydraulic lifters, so the valve clearances have to be checked and adjusted periodically.
How long does the Mazda LF-DE last?
The typical lifespan of the Mazda LF-DE is ~300 000 km with proper maintenance.
What is the fuel consumption of the Mazda LF-DE?
Mazda 6 2006: city 9.8, highway 5.4, combined 7.0 L/100 km.
What cars was the Mazda LF-DE installed on?
Mazda 3 BK in 2003 - 2008, 3 BL in 2008 - 2013; Mazda 5 CR in 2005 - 2007; Mazda 6 I (GG) in 2002 - 2007, 6 II (GH) in 2007 - 2012; Mazda MX-5 NC in 2005 - 2015.
What are the common problems of the Mazda LF-DE?
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. All known problems.
