There is no mistake, Celtic Tuning are amongst the best in the world. And we have been working closely with them for a long time. If you want the best service at the best price, come see us.


We offer a wide range of services to get your vehicle to it’s peak performance. After all, why settle for anything else?


Car Maintenance is an authorised dealer of Celtic Tuning. They develop all of their own software in house using the very latest equipment. All of their software is developed on Dastek rolling road to ensure accuracy in terms of both power delivery and also to ensure fuelling, boost pressures and exhaust gas temperatures (where applicable) are all within tolerance.

Celtic tuning and ourselves take pride on our ability to achieve maximum power whilst maintaining optimum reliability.

If you would like to see how much we can increase your cars performance just select your vehicle type from the dropbox at the bottom left of the page, and we will instantly give you an estimate.

Car Diagnosticians Sunderland
Sunderland Based Fault Detection

To find out how much we can increase your cars performance please use the dropdown at the bottom left of this page.

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CUSTOMER
SATISFACTION
CARS REMAPPED

AVERAGE INCREASED BPH


  • "I used the calculator on their website to give me an estimate of how much they can increase my cars performance, gave them a call and they delivered. Amazing. "

    Jason Dunn

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