The 2.0-liter Mazda LFF7 gasoline engine was produced by the company from 2004 to 2011 and was installed on the first generation of the Mazda 6 model after restyling and Mazda 5. This power unit was already installed on Ford cars with its own SYDA index.
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 | 2004-2011 |
| Displacement, cc | 1999 |
| Fuel system | distributed injection |
| Power output, hp | 140 – 150 |
| Torque output, Nm | 180 – 190 |
| 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 |
9.9 5.5 7.1 |
| Engine lifespan, km | ~310 000 |
| Weight, kg | 105 |
The engine was installed on:
Disadvantages of the Mazda LFF7 engine
- A lot of problems can be thrown by eternally sticking intake manifold flaps;
- Due to contamination of the throttle or EGR valve, engine speed often floats here;
- The following also have a low resource: thermostat, pump, lambda probe and unit supports;
- After 200,000 km of run, oil consumption often appears or the chain is stretched;
- There are no hydraulic lifters and valve clearances need to be adjusted every 100 thousand km.
Frequently asked questions about the Mazda LFF7
How much power does the Mazda LFF7 make?
The Mazda LFF7 develops 140 - 150 hp and 180 - 190 Nm of torque.
How much oil does the Mazda LFF7 take and which one?
Engine oil capacity: 4.3 liters. Recommended oil: 5W-30.
Does the Mazda LFF7 have a timing belt or chain?
The Mazda LFF7 uses a timing chain.
Is the Mazda LFF7 turbocharged?
No, the Mazda LFF7 is naturally aspirated.
Does the Mazda LFF7 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 LFF7 last?
The typical lifespan of the Mazda LFF7 is ~310 000 km with proper maintenance.
What is the fuel consumption of the Mazda LFF7?
Mazda 6 2006: city 9.9, highway 5.5, combined 7.1 L/100 km.
What cars was the Mazda LFF7 installed on?
Mazda 5 CR in 2004 - 2011; Mazda 6 I (GG) in 2005 - 2008.
What are the common problems of the Mazda LFF7?
A lot of problems can be thrown by eternally sticking intake manifold flaps. Due to contamination of the throttle or EGR valve, engine speed often floats here. All known problems.
