S.T.R Performance

S.T.R Performance Power. Performance. Proper Diagnostics.

Specialists in ECU Remapping & Fault Finding
DPF • EGR • AdBlue Solutions
No Guesswork – Just Results
📍 Sheffield & Mobile Service Available
📩 Book Today About me
I am a qualified engine and gearbox tuning specialist, I also have experience in the Motorsport industry setting up track day and race cars for individual circuits and clients.

🚨 Warning light on? Don't just clear it.A warning light can tell you something isn't right, but finding the actual cause...
27/09/2026

🚨 Warning light on? Don't just clear it.
A warning light can tell you something isn't right, but finding the actual cause requires proper diagnostics. 🔧

Diagnose first. Tune second.

📍 Sheffield & surrounding areas

🚨 That warning light is only part of the story.A warning light tells you the car has detected a fault- but it doesn't al...
27/09/2026

🚨 That warning light is only part of the story.
A warning light tells you the car has detected a fault- but it doesn't always tell you what's actually causing it.

That's where proper diagnostics come in. 🔧
Find the cause, not just the warning.

26/09/2026

“It only needs a quick remap…” 😂

The diagnostic scan: 💀

We've all had one of those jobs. 🔧

25/09/2026

Would you remap your everyday car, or keep it stock? 👀🔧

What would make you hesitate — reliability, warranty, insurance, or something else?

That blue though… 👀💙One seriously good-looking Mercedes. 🔧
24/09/2026

That blue though… 👀💙

One seriously good-looking Mercedes. 🔧

23/09/2026

When something isn't quite right, the first step is finding out exactly what's going on.

A little behind-the-scenes from today's job-diagnostics underway. 🔧💻

22/09/2026

Back where it belongs 🔧
One of those little moments that’s oddly satisfying. 👀

20/09/2026

A fault code is only the starting point. 🔧

Proper diagnostics means looking beyond the code and finding the actual cause of the problem-helping avoid unnecessary parts and getting to the issue properly.

📍 Sheffield & surrounding areas

19/09/2026

Ever wondered what the ECU actually does? 🧠🔧

It's at the heart of modern engine management.

🔧 Let’s talk ECUs.The ECU is essentially the brain of the car, constantly taking information from various sensors and us...
18/09/2026

🔧 Let’s talk ECUs.

The ECU is essentially the brain of the car, constantly taking information from various sensors and using it to control how the engine operates.

When it comes to remapping, there’s much more going on than simply “adding more power”.

But here’s something I’m curious about…

Do you think a good remap is mainly about the final numbers, or is the calibration itself just as important?

And does the individual car matter, even when two cars have the same engine?

There are plenty of different opinions on this one.

What do you think?

Address

Mobile Service
Sheffield
S35

Opening Hours

Monday 8am - 6pm
Tuesday 8am - 6pm
Wednesday 8am - 6pm
Thursday 8am - 6pm
Friday 8am - 6pm
Saturday 9am - 5pm
Sunday 9am - 5pm

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