Regarding fuelling, they do also play with the injection timing, which is crucial on all diesel engines. It almost seems to be too good to be true. *By accessing this site you agree to indemnify us of our administrative costs for your violation of our copyright notice above to a total of £500 per page (& £250 per image) used without permission, to cover our time making formal copyright complaints to your web host, your advertising suppliers and requesting the removal of pages from the search engines. If you liked this page please share it with your friends, drop a link to it in your favourite forum or use the bookmarking options to save it to your social media profile. What are the drawbacks of remapping your diesel engine? What is brake fade and what causes brake fade?Read more... Headlight Conversion kits. We would advise shorter service intervals and it is fair to say that any weak parts will generally fail sooner. Many of our members have remapped their diesel engines and boast of more power, better economy and unchanged reliability. But do the claims live up to reality? Calculate MPG Things are back on a more even keel now and we're seeing more and more DI petrol units and some very innovative turbocharging technologies being applied. Our content is protected by CopyScape. filed under Diesels, Tuning. It is your responsibility to check and verify any car tuning tip, car styling tip or other articles content with a qualified mechanic before undertaking work or following instructions. In car insurance terms, remapping or chipping is considered a car modification, even if you can’t actually see it. "More power, more economy it sounds too good to be true.". Induction Kits Many of our members have remapped their diesel engines and boast of more power, better economy and unchanged reliability. Car engine remapping could mean a slight increase in the cost of your car insurance premium. This compromise allows the car to run smoothly if it has been neglected or has sub standard components through everyday wear and tear. As emission regulations got more strict the amount of work the ECU does has increased and the complexity of the ECU itself increases. Please use our forums if you wish to ask a tuning question, and please note we do not sell parts or services, we are just an online magazine. A Diesel Particulate filter, or DPF as it is more commonly known, is attached to a diesel engine with the purpose of removing soot and diesel particulate matter from diesel exhaust gases. This is where a map is devised and tailor made to suit your car. The engine is controlled by computer. In its simplest form it will raise the "safety" limits and force more fuel/air into the engine and alter the turbo spool up rates to give the maximum power gains. If you don’t inform your insurance provider, it could invalidate your policy and you may even end up in trouble for hiding information. It is fair to say that there is a great deal of variation from one engine to the next so a general compromise is made when the computer is programmed.