Direct fuel injection has been the norm for diesel engines since the beginning of the 20th century but has only been an option for petrol engines since about 2000 – mostly because of high temperatures and emission problems. Direct injection provides both kinds of engines with more power for less fuel, but only while the injectors are clean and in good condition. Image Credit Modern engines assist the injectors by precisely moderating the fuel intake and adjusting the timing according to driving conditions. The result is (or should be) easier…
Read MoreWhy it’s important to keep your injectors clean
