I recently had turbo put in but i had the shop put the FMU in to hold me over until i could afford an ecu... so can you guys tell me all exactly what the correct ecu would do for me rather than the fmu. thanks

 

the fmu raises fuel pressure as it sees boost. since your stock injectors are 100% duty cycle its like sqeezing there nuts which is bad. the ecu will go in along with bigger injectors and will be programed to your motor/setup on the dyno. the fmu is just a cheap device that ruins injectors and most of the time motors. get an ecu as fast as you can so your motor will last

 

What motor?