What is the speed limiter on the Taurus SHO?

The Taurus SHO is typically electronically governed to 155 mph (250 km/h) in most US-market versions, serving as the standard factory top speed for the EcoBoost-powered model.

This article explains how that speed cap works, which model years it applies to, and how to verify your specific Taurus SHO. It also covers why the limiter exists and safety considerations for driving at high speed.

How the limiter works in the Taurus SHO

The speed limiter in the Taurus SHO is an electronic governor set within the engine control unit (ECU). It restricts engine RPM and vehicle speed to prevent the tires, drivetrain, and powertrain from exceeding the designed limits. For most US-market Taurus SHO models produced with the 3.5L EcoBoost V6, Ford set this cap at 155 mph. The limiter engages automatically when the vehicle approaches that top speed, regardless of throttle input beyond a certain threshold.

Common limiter value and its scope

Before listing the typical value, note that the exact setting can vary slightly by year, optional equipment, and regional market. The following describes the general guidance for the US-market Taurus SHO during its main production run.

• US-market Taurus SHO (2010–2019), equipped with the 3.5L EcoBoost V6: electronically limited to 155 mph (250 km/h).

Keep in mind that tire ratings, wheel and tire size, ride height, and other conditions can influence the practical top speed before reaching the limiter. The vehicle will not exceed the factory cap unless the limiter is altered by a dealer or technician, which is not typically recommended or legal for street use.

How to confirm your specific vehicle’s limiter

Because there can be small variations by production year or regional configuration, check the following sources to confirm the exact limiter for your Taurus SHO.

• Owner’s manual or the vehicle’s window sticker for official specifications.


• Contact a Ford dealer or authorized service center with your VIN to verify the ECU programming and limiter setting.


• Review service or warranty documentation for any factory recalibrations or special editions that might alter top speed.

It is important to rely on official documentation and authorized service personnel when seeking confirmation, and to avoid attempting to modify the limiter, as tampering can be unsafe and illegal on public roads.

Notes on safety and legality

Top-speed limits are chosen to balance performance with tire ratings, braking capability, and overall safety. Exceeding factory limits can increase the risk of loss of control, reduce braking effectiveness, and may violate traffic laws or insurance terms. Always drive within the limits of your vehicle and the road conditions.

Summary

The Taurus SHO’s factory speed limiter is generally set at 155 mph (250 km/h) for US-market models with the 3.5L EcoBoost engine. While this figure is common across many model years, variations can occur by year or market, so consult the owner’s manual or a Ford dealer to confirm the exact setting for your car. For safety and legal reasons, do not attempt to alter the limiter or test the vehicle’s top speed outside controlled environments.

What is the top speed of the Taurus SHO?

The top speed of a Ford Taurus SHO varies by model year, with the 2013 model reaching approximately 150 mph. However, factory-equipped models often have a 120 mph speed limiter that can be removed or increased with tuning. Older models have different top speeds, such as the 1989 version at 143 mph, while the 1997 V8 model reached 136 mph.
 

• 2013 Model: Approximately 150 mph, though it's subject to the factory speed limiter. 
• 2010-2019 Models: The factory-set speed limiter is 120 mph, but aftermarket tuning can increase this to 140 mph or remove it completely. 
• 1989 Model: 143 mph. 
• 1997 V8 Model: 136 mph. 

It's important to remember that these are factory or modified specifications and actual top speeds can be affected by factors such as road conditions, maintenance, and vehicle modifications.

What year of Ford Taurus SHO to avoid?

Years to be wary of include the 2015 and 2016 models due to significant transmission failures, and the early 3.5L EcoBoost years (2010-2013) which had some cam chain issues. Also, the 1996-1999 V8 models had a specific set of reliability concerns that could be expensive to repair. 
2015 and 2016 

• Transmission Failure: These model years are known for internal transmission failures, which can result in the loss of gears (such as reverse, third, or fifth gear).
• Repair: The only solutions are a complete transmission rebuild or replacement. 

This video discusses the common problems found in the 2015 and 2016 Ford Taurus, including transmission issues: 39s1A Auto: Repair Tips & Secrets Only Mechanics KnowYouTube · Oct 29, 2025
2010-2013

• Cam Chain Issues: The early versions of the 3.5L EcoBoost engine in these model years had issues with the cam chain.
• Engine Design: While later versions of the engine were more solid, this early version had some problems. 

1996-1999 

• V8 Engine Reliability: The V8 engine introduced in these years had specific reliability issues that could lead to expensive repairs.
• Expensive Parts: One owner noted that the Ford parts for this model year gave them significant trouble and that repairs were costly.
• Rod Bearing Failure: Some owners reported spun rod bearings, a costly and serious engine problem. 

What is the speed limiter on a 2010 Ford Taurus SHO?

From the factory, the Taurus SHO 3.5L V6 is equipped with a speed limiter set at 120 MPH. Our custom tuning increases this limit to 140 MPH by default, with the option to remove the limiter entirely upon request.

How do I turn off my Ford speed limiter?

Ford speed limiter removal typically involves reprogramming the Powertrain Control Module (PCM) using diagnostic tools like Ford IDS, or using third-party software like Forscan on certain models. Some vehicles may have a factory-set speed limiter that can be disabled via the "My Key" system through the instrument cluster settings, but this is different from a professionally installed limiter. Professional tuning companies can also remap the ECU to remove or adjust the limiter, sometimes alongside other performance upgrades.
 
This video shows how to remove the speed limiter on a 2017 Ford Transit using Ford IDS: 59sTool Hut USAYouTube · Dec 25, 2024
Methods for speed limiter removal

• Using Ford IDS or a similar professional tool: Technicians can use dealer-level software like IDS to access programmable parameters and disable the speed limiter directly. 
  • Process: Connect the tool to the vehicle, navigate to module programming, programmable parameters, and speed items, and then select "Disable Speed Limiter". 
  • Note: This method is often used for commercial vehicles like the Ford Transit. 
• Using Forscan: On some models, Forscan can be used to remove or adjust the speed limiter. You'll need an OBDII adapter and the Forscan software. 
  • Note: Forscan may not work for all models, and some limitations exist, such as not being able to remove all types of speed limiters, as mentioned on Facebook. 
• Professional ECU remapping/tuning: Performance tuning companies can remap the ECU to remove the speed limiter. 
  • This process can be done by either sending the module to them for reprogramming or by visiting a dealer who has the necessary tools. 
• Disabling "My Key": If your vehicle has a factory-installed speed limiter, you may be able to disable it by clearing the "My Key" settings. This is a user-accessible feature, unlike professional limiter removal. 
  • Process: Find the "My Key" option in the instrument cluster and follow the prompts to clear the settings. 

You can watch this video to learn how to disable My Key settings on a Ford vehicle: 1mPiscataway MechanicYouTube · Dec 4, 2020
Things to consider

• Vehicle type: The method of removal can vary depending on the vehicle. Commercial vehicles like the Ford Transit may use a different process or have different limitations than other Ford models. 
• Safety and legal implications: Removing a speed limiter can void your warranty and may lead to excessive wear and tear, reducing the lifespan of your vehicle. It is crucial to understand the risks before proceeding. 
• Professional help: If you are not comfortable with the process, it's best to consult a professional tuner or a Ford dealer for assistance.