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The Hidden Dangers! of Diesel Tuning and Remapping. A few things to Consider before Purchasing a Remap.

Radical Remaps guide to professional Custom ECU Remapping. I have included this information on our website due to the huge increase in our company repairing sub-standard Remaps. We our now repairing more and more Ecu's due to cheap substandard remapping being carried out by so called professional remapping companies.

We normally repair 2-3 ECU's a month because people are getting sailed down the river when it comes to Custom Remapping. Some of the work that we have seen lately has been unbelievably BAD. I will give you an example of a customer who contacted me and explained that he had his car remapped by a well known remapping company 2-3months ago and the vehicle seemed to be going into limp mode and loosing power and producing lots of smoke!

He explained that he had taken the vehicle to a diesel repair specialist to determine the problems they then started to try and eliminate the defects by changing different sensors, EGR Valve and so on. This was unsuccessful the problem still remained. We said that I would need to take a copy of the file that was installed on his ECU so we could determine if the Remap he had done was suitable for his vehicle.

We took the copy and found that the Remap had many defects that were, contributing to the bad running and performance of his vehicle. We found that the turbo boost was turned up, but the Turbo limiter was not adjusted! The Torque limiters where turned up to far as much as 45% to much. Fuelling was not adjusted the list went on. We had to totally Remap the vehicle so all of the problems where sorted out and we put the ECU software back to the tolerances to suit the vehicle CUSTOM REMAPPING.

The up shot of the above example is that the customer had to spend more money trying to chase down the problem by changing sensors and so on, with no success he had to pay for another Remap as well. The original price for the sub-standard Remap was £200. The cost of changing engine parts £550. The cost of our custom Remap fix was £275 the total cost is you can see was very expensive.

There are many other examples but I hope that this information will help you the customer to make a informed decision and choice before you Remap your vehicle by someone that is just too cheap! A normal Custom Setting file price for a given vehicle can range from £100 to £160 this is the cost to any legitimate tuner before they do any tuning. The setting file gives the tuner access to the vehicles ECU. So if someone quotes you £100 - £150 for a full custom Remap there is something wrong!! Given the 'Setting File' costs, advertising costs, fuel costs £150 will not pay for the latter. So how do they get around this, well its easy give the customer substandard re-used maps thus negating the setting file cost, now he is in profit of £100-£150.

What is a Setting File? 'ECM Titanium'allows the user to work on injection, ignition (real degrees of advance), boosting parameters, correction maps, rev./speed limiters avoiding problems tied to map locating. This is possible by the "SETTING FILES" which locate the data set areas containing all the important parameters controlling the engine workings

It is prudent to ensure you are getting good backup and after sales support. Simple things such as:

Finally, your installer should be able to give you the telephone number of the actual file calibrator if it isn't himself.

That way you can call him and get some information as to their credentials. Please take care out there... don't be the next customer whom comes to us to get their ECU working properly again after someone has damaged it with cheap tools, ECU tuning inexperience and Cheap re-used files.


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CGON Green Fuel Technology

CGON Green Fuel Technology

3 Reasons To Remap

  • 25% More Power
  • 30% More Torque
  • 20% Improve Fuel Economy

The above are based on a typical turbo diesel engine

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