Gradually over time nozzles on the diesel injector, pump and piston will get a build-up of carbon and varnish. This will normally happen to engines that don’t use diesel fuel additives in every fill-up or fuel or will happen naturally over time when you’ve driven lots of miles. Also if you drive around town quite a bit the stop-and-go metro driving can create deposits much faster than motorway driving. These build-ups can occur on any internal combustion engine, whether it burns gasoline or diesel. If you have a Diesel engine, then you will at some stage need diesel injector service 2020. Quite often with older…
