Toyota 1AR-FE 2.7L Engine Specs, Problems & Reliability


Here in this article, you will learn about the Toyota 1AR-FE 2.7L Engine Specs, Problems, Reliability, and Cylinder Heads. Let’s discuss the Toyota 1AR-FE 2.7L Engine Specs, Valvetrain, performance, and Reviews.

In 1988, production began on the M40B16, the series’ 1.6-litre engine. This compact engine owes a great deal to the M40B18 engine, which has a larger displacement and a longer stroke and was the inspiration for its design.


The engine’s cast-iron cylinder block ensures long service life.

The 1.6-litre M40 engine, as said, uses connecting rods that are identical in length to those used in the larger M40B18 engine despite the reduced crankshaft stroke (the length is 140 mm).

There are newly designed pistons with different forms to maintain the necessary compression ratio.

The intake manifold, throttle body, spark plugs, and electronic control unit are all unique to the 1.6L engine, setting it apart from the 1.8L.


Toyota 1AR-FE 2.7L Engine

Toyota 1AR-FE 2.7L Engine Specs

The topic isn’t particularly deep, so we’ll keep this brief. While the 2AR-FE makes use of a lot of cutting-edge technology, it is not exactly a whack-a-mole motor.

Once again, its primary function is as a trustworthy conveyance, taking you from A to B in comfort and style. Some of the 2AR-technical FE’s specifications are listed below:

Displacement, cc
Cylinder block material
Manufacturer Kamigo Plant
Toyota Motor Manufacturing Alabama
Production years
2008-present day
Cylinder head material
Fuel type
Fuel system
Fuel injection
Number of cylinders
Valves per cylinder
Valvetrain layout
Bore, mm
Stroke, mm
Type of internal combustion engine
Four-stroke, naturally aspirated
Compression Ratio
Power, hp
182-187 hp (136-139 kW)/5,800
Torque, lb-ft
182-186 lb-ft (247-252 N m)/4,100-4,200
Firing order
Engine oil weight
0W-30, 0W-40, 5W-20, 5W-30, 5W-40
Engine oil capacity, litre
Toyota Venza AGV10/15, Toyota Highlander ASU40, Toyota Sienna ASU40, Lexus RX270 AGL10
Oil change interval, mile
6,000 (10,000 km) or 12 month

Toyota 1AR-FE 2.7L  Engine Problems

Introduced in 2008, the Toyota 2AR-FE is a 2.5-litre inline-four. In fact, you can still get this motor in the Toyota Camry and RAV4. Power output for 2AR-FE engines ranges from 169 to 180 horsepower.


Even though the engine’s output isn’t particularly strong by today’s standards, it’s adequate for its intended use. The 2AR-FE is an excellent mode of transportation, as it is quiet, dependable, and fuel-efficient.

It has a fantastic engine, but there is no such thing as a flawless engine. Even so, we can’t deny that the Toyota 2AR-FE comes close in terms of dependability.

In this article, we discuss a few of the most common Toyota 1AR-FE 2.7L  problems and overall reliability

Toyota 2AR-FE Water Pump Failure

The 2AR-FE is not alone in experiencing issues with the water pump. The Toyota 2.5L engine has a few potential weak points, one of which is the water pump. One common cause is a loss of coolant caused by a faulty water pump. When this happens, the 2AR-FE pumps’ internal components fail, and the engine overheats.

Because of how quickly an engine can overheat without adequate coolant flow, the latter failure is more urgent.

This is not a widespread issue with 2AR-FE engines, so don’t worry too much about it. If your water pump ever stops working, though, you need to be very careful.

Quickly find a safe place to pull over, and until the water pump is fixed, do not operate the engine.

Toyota 2.5L Inline 4 Water Pump Replacement

Fortunately, in the grand scheme of things, a broken water pump is usually not a big deal. The cost to replace the water pump on a BMW, for example, is often $1,000 or more.

But Toyota is the topic at hand. You can anticipate spending between $100 and $200 on parts and between $200 and $400 on labour.

There isn’t much skill required, so anyone with a day to spare in the garage may do it themselves and save some cash.

Toyota 2.5L Engine Knocking Sounds

This phase will be completed in a reasonable amount of time. The Toyota 2AR-FE engine barely ever makes any audible knocking noises. Knocking can indicate major concerns, but it can also be bothersome.

The 2AR-FE 2.5L engine has a slight problem, although it does not affect reliability or longevity.

When first starting the engine, some owners report hearing knocking noises. The knocking, which is usually only heard at the start of a cold start, eventually stops.

The 2AR-FE VVT (variable valve timing) gears are at the root of the problem. As promised, here is Toyota’s latest service bulletin.

Toyota 2AR-FE Reliability

Is Toyota’s 2AR-FE engine a dependable option? Indeed, unquestionably, and undoubtedly. There is no doubt that the 2.5L 2AR-FE is one of the most dependable engines we have ever covered, and we have covered a lot of engines.

As far as we can tell, there are no widespread, systemic issues that affect a significant portion of engines.

It’s a sturdy motor designed to transport you from point A to point B without incident. The 2AR-FE does its function admirably.

Naturally, the Toyota 2AR-FE engine’s dependability depends heavily on how well you care for it. Never use inferior oil, and always change it when suggested.

The 2AR-FE transmission is prone to failure, so regular fluid changes and keeping the transmission tank full are essential maintenance procedures.

Fix issues as soon as possible when they arise. Everything here is really fundamental, yet it makes a big difference.

Sadly, there is a degree of dependability that is entirely dependent on chance.

However, with regular maintenance, the vast majority of Toyota 2AR-FE engines should be able to keep going well beyond 200,000 miles.

Toyota 1AR-FE 2.7L Engine FAQ 

What is a 1AR FE engine?

Introduction. The 1AR-FE was a 2.7-litre inline four-cylinder gasoline engine produced by Toyota. The Lexus AL10 RX 270 is the only Lexus model sold in Australia with the 1AR-FE engine.

However, the Toyota Venza, Highlander, and Sienna have been powered by this engine in overseas markets.

Is the 2.7 L Toyota engine a good engine?

Over two hundred and fifty thousand miles should be no problem for a Toyota 2.7L four-cylinder engine. Many of these four-cylinder engines have travelled in excess of 250,000 miles and are still going strong. August 2, 2021

What does FE stand for on Toyota engine?

For instance, the Avalon, RX 350, and Highlander all use vehicles powered by 2GR-FE engines, which are second-generation (2) engines in the GR-series and have an economy narrow-angle valve direct overhead cam (F) with electronic fuel injection (E).

What is the 1AR?

The speaker who gave the 1AC gives the 1AR. How challenging it is to provide a first affirmative rebuttal (1AR) depends on two factors: the quality of the second affirmative concession (2AC) and the presence or absence of novel arguments raised by the second negative counterargument (2NC).


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