Mazda 2.0L LF-DE/LF-VE Engine Specs, Problems & Reliability


Mazda 2.0L LF-DE/LF-VE Engine

Here in this post, I have gathered information about the Mazda 2.0L LF-DE/LF-VE Engine from its official website, including its specifications, Problems, and Reliability.

We believe in providing reliable information to our readers, therefore we prefer to obtain information on the Mazda 2.0L LF-DE/LF-VE Engine from authentic sources.


This article, which has been updated, has all the information you require about the Mazda 2.0L LF-DE/LF-VE Engine.

Mazda 2.0L LF-DE/LF-VE Engine

The Mazda LF-DE is a gasoline inline-4 engine with a displacement of 2.0 litres. Mazda’s L-series, of which it is a part.

The Mazda3 model year of 2003 marked its debut. The LF-VE and LF-VD are two updated variants of this engine.


The LF-DE is constructed with a high-quality aluminium alloy cylinder block and cast iron sleeves.

The engine’s bore is larger, at 87.5 mm, although it retains the 1.8L engine’s stroke of 83.1 mm (3.27 in) (3.44 in). The L5-VE 2.0L engine is different from the L5-VE 2.5L in that it lacks balancer shafts.

A steel crankshaft, four counterweights, and a torsional damper make up the LF. As of 2009, a forged steel crankshaft has been used in place of the previous iron one.

All pistons are made of aluminium alloy and have friction-reducing graphite coatings on their skirts, and the connecting rods are forged with fractional split ends. There is a 0.8-mm gap between the pistons.

Oil change interval, mile 12,000 (20,000 km)/12 months
Engine oil capacity, litre 4.3 (0.4 – oil filter)
Engine oil weight 5W-20, 5W-30
Firing order 1-3-4-2
Manufacturer Mazda
Production years 2003-2015
Cylinder block material Aluminium
Cylinder head material Aluminium
Fuel type Gasoline
Compression Ratio 10.0:1
10.8:1 – Mazda MX-5
Type of internal combustion engine Four-stroke, naturally aspirated
Displacement, cc 1,999 cc (122.0 cu in)
Stroke, mm 83.1 mm (3.27 in)
Bore, mm 87.5 mm (3.44 in)
Valvetrain layout DOHC
Valves per cylinder 4
Number of cylinders 4
Configuration Inline
Fuel system Fuel injection

Mazda 2.0L LF-DE/LF-VE Engine Problems & Reliability

The 2.3-liter LF engine runs more smoothly than the 2.0-litre LF engine. The disparity in strength is not enormous, however. After 100,000 miles, a typical issue is increased oil usage.


Inadequate valve stem seals are the weak spot. Oil leakage can also be caused by bad connecting rod bearings.

The thermostat often causes issues for the engine at 60,000 miles. Overheating or failure to warm up are both possible outcomes when a thermostat fails to do its job.

Vehicles equipped with the LF-VE had difficulty accelerating and displayed a Check Engine light.

The variable intake manifold is malfunctioning or isn’t working at all, and that’s the issue.

The internal unique valves prevent the secondary path from opening above 3,000 rpm.

In general, the engine is sturdy and dependable.

The manufacturer claims the engine can go beyond 200,000 miles, and actual usage has borne that out.

Mazda 2.0L LF-DE/LF-VE Engine Review 

Mazda produced the Mazda 2.0L engine LF-DE/LFVE from 2004 until 2015. The engine was used on a number of Mazda models, including the Mazda3, Mazda6, MX-5 Miata and Mazda6. For a full review, please check this YouTube video Here.

Mazda 2.0L LF-DE/LF-VE Engine FAQ 

Is the Mazda 2.0 a Ford engine?

Ford Motor Company’s 2.0-liter Duratec 20 engine, also known as the Mazda L engine, is a naturally aspirated four-cylinder used in a variety of vehicles, including subcompact and sub-midsize cars, cargo vans, and CUVs.

Why do Mazda engines fail?

Variable valve timing (VVT) faults are a common problem with Mazda’s L-series engines. They can cause oil leaks, a lot of smoke from the exhaust, loose timing chains, and even total engine failure.

Does the Mazda 2.0 have a timing belt or chain?

The 2.0-litre turbodiesel was the only one to use a rubber timing belt with teeth.

The construction looks solid, though, and Mazda suggests changing the belt and tensioner every 120,000 kilometres.

Is a 2.0 L engine a 4 cylinder?

Indeed, a 2.0-litre four-cylinder engine is available in a wide range of vehicles, from the Chevy Camaro to the Audi A6 to the brand-new Toyota Supra.

Volvo’s engines are both naturally aspirated and turbocharged/supercharged.

Is the 2.0 L EcoBoost a good engine?

Overall, the Ford EcoBoost engine, available in many different vehicles, has proven to be a good and reliable engine.

The best-laid plans of mice and men often go astray because of design engineers who try to build upon a design that already works in the hopes of improving its performance.


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