Here are some of the questions that we are most commonly asked. If you have a question that is not mentioned here, then please get in touch as we are more than happy to help.

Here are our commonly asked questions

What is Engine Tuning?

Engine tuning is the correction of engine running faults by repair, adjustment or cleaning/servicing to get the best possible power, performance and economy for your vehicle.

Can you check why the warning light is illuminated on the dashboard?

Yes, we have modern test equipment for both new and older systems for nearly all makes and models of cars. We can also test for faults electronically on ABS, airbag, air conditioning, instrumentation and immobiliser systems on many makes and models of car and light van.

I seem to be using more fuel than I used to?

Cartune will test for any engine problems causing high fuel consumption, loss of power and performance.

My car has failed the MOT Exhaust Emission Test can you find the problem?

Exhaust emission test readings are the end result of everything that is happening while the engine is running. Faults can be due to electrical, fuelling or mechanical failures. Cartune follows a diagnostic test sequence designed to find the answer to your problem as quickly and efficiently as possible.

My car doesn’t start as well as it used to.

Cartune can come to you at home or work and diagnose battery, charging and starter systems. Bad starting can be due to many other engine problems which we will sort out with our diagnostic testing routine.

What is ECU Remapping?

Modern car engines are controlled by an Engine Controller Unit (ECU). This unit will contain a map which denotes engine power ratios, torque and fuel usage. These maps are created in compliance with legal requirements and can often be remapped to improve performance and fuel economy.

What are the benefits of ECU Remapping?

There are many benefits of ECU remapping including, improved overall performance, better BHP, more torque and better fuel efficiency.

Is ECU mapping legal?

ECU Remapping is completely legal and completely safe. Cartune has many years experience in ensuring that your car can perform at its very best.

How much does ECU Remapping cost?

There is no flat-rate for ECU Remapping, but on average most people pay around £240 (NB. No VAT to add!) and can be completed within a few hours. For a more accurate quotation, please get in touch today by calling 01473 822 603 or 07766 700 355, or by sending us an email from our contact us page.

Will ECU Remapping damage my car?

ECU Remapping will certainly not damage your car. We are simply replacing what already exists as default.

Can my original engine map be restored?

If for any reason you are unhappy with the new performance of your car or van, we will happily reload your original map. We ensure that we have a backup of your original map safely stored before we upload the new map.

Can all cars be mapped?

Most modern cars can be remapped quickly and easily by our skilled engineers. If your car is over 10 years old, then we may have to use more traditional engine tuning.

If you have any further questions, wish to book a car diagnostics appointment or would just simply like to speak directly to an expert mobile mechanic, then please give us a call today between 7.30am & 11pm on 01473 822 603 or 07766 700 355 or alternatively, send us your enquiry here.