thanks for the reply, I understand that I have to change only at the points where the do pi? diesel(what is pi? simple) ...? I would like to make the change to the SOI, starting from the IQ of 30 or 40 why? I know that the SOI in the original are made to the standards euro 3, and then are designed to pollute less and do not going strong(and I don't even know how many are the degrees of post-injection ideal ,I knew 5 confirmed? ) ..***** s, if I change only where necessary I is a map of SOI with spikes very high , ? right ? last question ...to push the car up to 5000 rpm, I have to "build" the map, where it is flat ?