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The Dangers Of A Cheap Engine Remap

  • Writer: David Tripon
    David Tripon
  • Jun 10
  • 4 min read

When it comes to engine remapping, the saying, “you get what you pay for” is especially true. As more drivers look to unlock the hidden performance of their vehicles through ECU remapping, the market has seen a surge in companies offering low-cost ECU tuning that promises big results for little money.


However, when it comes to something as crucial as your car’s engine, cutting corners and opting for a cheap remap can lead to serious and costly consequences. In this latest article, we take a closer look at some of the biggest dangers of cheap ECU remapping services…


The benefits of engine remapping, involves modifying the factory software within your vehicle’s engine control unit to improve performance, fuel efficiency and overall driveability. Many modern cars are built with factory-detuned engines, which means the drivetrain components are capable of much more than what the software allows.


It is common to find that a lower-powered variant of the same engine shares identical hardware, such as turbos, injectors, and intercoolers, with a more powerful model. Through a remap, you can unlock this unused performance safely and effectively, but only when done correctly.


Why cheap remapping should be avoided

One of the key dangers of a cheap car remapping service is that anyone can buy basic tuning tools online, download files from unknown sources, and start calling themselves a tuner. But that doesn’t mean they understand automotive software, stock performance limits or the safe boundaries of drivetrain components.


Before trusting someone with your vehicle’s ECU, ask yourself:

• Do they have previous experience in the motor trade or vehicle diagnostics?

• Do they understand the make and model of your vehicle?

• Are they using licenced, up-to-date and genuine tuning tools?

• Are they insured in case something goes wrong?


A surprising number of drivers are willing to pay tens of thousands of pounds on their car but then risk its longevity by opting to save a few quid. Using an inexperienced tuner or someone using unlicenced software can result in overboosting, incorrect fuelling, knocking and serious engine damage.


Some of the most common issues with cheap ECU remapping include:


Engine lights illuminated

This is one of the most common issues from cheap or incorrect ECU remapping.


Limp mode

Incorrect engine remapping will often cause the vehicle to go into limp mode or experience reduced performance due to ECU safety overrides.


Turbocharger failure

This is caused by excessive boost pressure and can lead to serious issues while driving.


Clutch and gearbox wear

Cheap and incorrect ECU remapping can lead to unbalanced torque delivery, which will lead to increased wear on your clutch and gearbox.


Poor fuel economy

Alongside potentially causing damage to your engine, cheap engine remapping usually results in incorrectly calibrated fuel maps, meaning you get fewer miles from a tank.


Failed MOTs and emission issues

When your engine is not running as designed, it can result in major emission issues that could lead to MOT failures.


How to choose a trusted remapper

With so many options out there, finding a reliable, experienced remapping specialist can feel overwhelming. Here are five quick checks to help you choose a trusted ECU remapping provider:


1. Look for experience

Choose a tuner with a background in vehicle diagnostics, repairs or performance upgrades.


2. Ask about tools and software

Ensure they use licenced genuine tuning tools and software from reputable developers.


3. Check for insurance and a warranty

A trusted remapper should carry full trade insurance and offer a warranty against software issues.


4. Vehicle-specific knowledge

Make sure your chosen remapper knows your make and model well, which is essential for peak performance.


5. Read reviews

Look at genuine customer feedback, and ask to see examples of their work where possible.


What sets Intellitune apart?

Here at Intellitune, we are passionate about delivering high-quality engine remapping services to our customers. Our roots are within the motor trade, and we have a deep understanding of automotive software, diagnostics and manufacturers’ specifications, which means you can have complete peace of mind that you can maximise performance and efficiency.


Alongside our vast experience in the motor trade, we only use fully approved hardware and software, ensuring safe communication with your vehicle’s ECU. We are also fully insured, and we offer a lifetime guarantee against software malfunctions on all of our engine remapping services.


We believe in honest and expert advice, which is why we will never recommend an engine remap if your car is not suitable, and we always respect performance limits, prioritising safety, longevity and usable performance.


Ready to start transforming your car?

When it comes to enhancing your vehicle’s performance, ECU remapping is one of the most effective solutions out there – but only when it’s done professionally by experienced technicians. While cheap engine remapping might seem tempting, it can often compromise your engine’s safety, driveability and long-term reliability, leading to costly repairs later down the line.


If you care about your car and want to unlock its full potential, Intellitune is here to help.


Get in touch with our team today.

 
 
 
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