Hi i have a truck with a bigger cam installed the mechanic retard the time of the cam in the installation not trough hp tunners, i was able to manage idle issues but i kind have a lost in pooowaa, can you point me how to tune, the oxygen sensors are not installed, maf is connected, iat sensor is not installed, thank you
P.s i have acces to a wideband connected trough serial to usb mpvi2