Engine Mazda LF17

The most popular models of the third and sixth series were equipped with the 2.0-liter Mazda LF17 engine, which was manufactured at the company’s facility between 2002 and 2013. There is a version of this unit with a different index, LF18, on the first generation Mazda 6.

Engine Mazda LF17 300x289 - Engine Mazda LF17

The L-engine family also includes:

  • 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.

The engine was installed on:

  • Mazda 3 BK in 2003 – 2008;
  • Mazda 3 BL in 2008 – 2013;
  • Mazda 6 I (GG) in 2002 – 2007;
  • Mazda 6 II (GH) in 2007 – 2012.

Specifications

Production years 2002-2013
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 3 2005)
— city
— highway
— combined
9.7
5.3
6.9
Engine lifespan, km ~320 000
Weight, kg 105

Disadvantages of the Mazda LF17 engine

The primary cause of floating rpm in early engines was throttle or EGR contamination; intake manifold flaps frequently became stuck or even fell out;
Here, the engine mounts, pump, and thermostat do not have the most resources;
An oil burner and timing chain stretch are frequently observed after 200–250 thousand kilometers;
Since there are no hydraulic lifters, the valves must be adjusted every 100,000 kilometers.

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