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Geekbitz.com > Automotive > What Do L4l, H4l, and H4f Mean on a Toyota 4Runner?
Automotive

What Do L4l, H4l, and H4f Mean on a Toyota 4Runner?

Brian
Last updated: April 18, 2025 4:03 pm
Brian
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The Toyota 4Runner is a fantastic car with outstanding off-roading capabilities, unmatched dependability, and tough construction. For most people, that is often all there is to it. To operate this vehicle and make the most of its capabilities, you must comprehend a lot more information. 

Driving a Toyota 4Runner typically involves a variety of engagements. When using full-time 4WD, some letters will be visible close to the shifter. These are essentially high-range and low-range gears that aid in navigating difficult terrain.

High-speed free is referred to as the H4F. The center differential is open if it is free. You can drive on that type of road with H4L because the center differential is locked, but there will be an equal amount of torque on the front and rear axles to allow for climbing. Low range with the center differential locked is referred to as L4L. 

These lingo and acronyms can be found on your 4WD, so it’s critical to know what they all mean. 

What Does L4L Mean on a Toyota 4Runner? 

Understanding your car is crucial in a lot of ways. Particularly 4WDs have various engagements that let you handle a variety of terrains. 

L4L stands for “locked at low speed and low range.” The central differential is locked, and the gearing is in the low range. The most traction and power are used in this mode. As a result, it is not the most cost-effective mode. At a slower speed, it enables you to put more torque on your wheels. 

What Does H4L Mean on a Toyota 4Runner?

The Toyota 4Runner is a fantastic option for a tough off-road vehicle. Particularly, the 4WDs are excellent purchases. 

High Speed/High Range Locked is referred to as “H4L.” This indicates that the center differential is locked while the 4Runner is driving in high-range gearing. This equipment can be used for off-road driving as well as driving in muddy, snowy, or gravelly conditions. 

What Does H4f Mean on the Toyota 4Runner? 

When operating the Toyota 4Runner, you must select the gear that is best for the conditions of the road. The H4F is thought to be the most cost-effective piece of equipment for regular driving. There are typically part-time and full-time versions of 4WD vehicles.

High Speed (or High Range), Free, and Only in Full-Time 4WD is H4F. When engaged, the center differential on your 4Runner will be free (not locked), and it will be running at high gearing.

This mode can be used for regular driving since it ensures the best economy, the smoothest ride, and reduced wear. 

What Does Eco Mean on the Toyota 4Runner?

“ECO on a Toyota 4Runner refers to the Eco mode being engaged. The engine moves the car once it is running, and it also produces electricity for all the electric components. The objective of this eco mode is to lessen the load on the engine.

When activated, the vehicle’s system can control the temperature of the heated seats, air conditioning, and other elements. Additionally, this mode aids in cutting fuel usage and emissions. As a result, driving this way is viewed as both economical and environmentally friendly. 

Can you turn Eco Mode off on the 4Runner?

The Eco mode works best for stop-and-go traffic because it uses less fuel. It is not advised to be used when climbing hills or passing other cars on a highway. As a result, you will eventually need to turn it off. Thank goodness it is simple. 

Choose another driving mode to disable this one. The driving mode switches are typically found on Toyota vehicles at the base of the gear shift lever. You’ll typically find eco, normal, and sport options. When you require more precise handling and acceleration power, you can choose between normal driving conditions and sports driving.

FAQs 

How fast can I drive in H4L?

You can go as fast as you want, as long as you are in H4. While excessive speed is not necessary, it is still possible to go faster in this gear. To shift to L4, you must stop and be in neutral, so it is best to keep your speed below 30 or 40 mph.

Can you put a 4Runner in 4WD while driving?

Driving allows for switching between 2-wheel drive and 4-wheel drive as well as locking and unlocking the center differential. Some motorists agree that shifting into 4WD while driving is simpler. To lock it into 4-wheel drive, you must, however, be moving at a speed of less than 50 mph.

How Fast Can You Drive a 4Runner?

You can travel as quickly as your 4Runner is capable of doing if you are in full-time 4WD. However, it is advised not to go faster than 50 mph when it is locked in 4H. It is frequently unsafe to travel on any road that is slick enough to require 4WD. Thus, avoid driving quickly. 

Conclusion 

Popular vehicles include the tough and dependable Toyota 44. However, there are frequently a lot of details about the Toyota 4Runner that some drivers might not be aware of. Additionally, this vehicle has gotten better over time. New features include traction control, better transmissions, and other things. The Toyota 4Runner is a complex vehicle, so there is a lot to learn about it.

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By Brian
Hello, I’m Brian. I’m a creator, designer, and the owner of the GeekBitz blog. I have a Computer Science background and taught myself digital marketing to fund my artistic pursuits. Now am addicted to developing products and building partnerships.
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