DIYEFI.org Forum

Common rail > PD > VE. Common rail (and piezo injectors in general) are a $#(*%& to drive. I've talked to some people on how they would do it but it requires a lot of circruity beyond the ECM. PD engines (Unit injector) shouldn't be too different than a spark driven engine other than you have to...

This started off as an idea on TDIClub Forums and gathered a lot of attention. There are numerous tuners that tune diesel engines but those all work on remapping the original software. A lot of it is guess and check as there are often 3 maps that 'do' the same thing depending on Manual, Automatic or...