k to start i went back to mostly stock on my 94 sc with stock maf and 36 pound injectors .....(the computer has been tampered with before programed) i hook it all up the car fired up rough idleing ..i shut it off and wont start back up unless i use starting fluid but if i unplug it from the maf thenshut off the car from there and plug the sensor back up...the CAR STARTS EVERYTIME WHEN I UNPLUG IT THERE.. ~~~ plus it rough idle when runs should also tune computer to stock? and or adjust the timing to? help