Nistune Forums

what causes it and how to i get rid of it? im assuming there is some fuel getting into the exhaust when i let off the gas. basically when im in gear and totally off the gas i get some loud popping and backfires through the exhaust. are there changes i can make to the fuel cut or fuel recover tables?...

i saw your problem.. the thing is, i have an 88T ecu.. he says the problems are with earlier ecus.... plus i have the afm voltage issue.. im sure all this is related to either a defective afm, defective nistune or a defective computer or some combination of the three, but i dont have spares to exper...

Some questos: What year ECU are you using? its an 88 turbo ecu Where is the voltage being measured from? AFM/ECU plug or NIStune readout? im just looking at the display in the nistune software.. when i have time i can measure it from wherever you want me to. What is the voltage readout from NIStune...

i have a z32 afm installed. i removed the resistors on the main board to remove the voltage offset when i used a romulator.. i have also removed the afm voltage offset from the nistune adr file. at idle i have approximatly 2.7 volts, and at 10 psi on my 50 trim t3/t4 the voltage hits 5.3.. something...

NA z31's have no wire going from the speed sensor to the ecu. only the turbos have it

ive been running these injectors and afm with a romlator forever, with reasonable results.. i finally installed nistune and i can get the car to pretty much run the same as it did by using the same K, Null, load scales and fuel/timing maps as the bin file i made with the romulator.. today i tried to...

let me have a look at it tonight. from memory i decided on using millivolts because of using integers and made updates accordingly so 1500 = 1.5 volts is any more info available on this topic? i have an 88T computer that i will be installing Nistune into when it gets here. i have already been using...