btbw92091

i got a 99 gt and the cars running realy ruf almost like its misfiring and it barly responds to throttle and dies somtimnes when i hit the gas and i just had the intake off so gas was drainded out i dont think its got air in the system i was running nitrouse and had a back fire and now this is happening since i put the new intake on any thoughts???? o and it died at the end of the track b4 i had the back fire i had the backfire when i hit the gas tryign to start it

jwog666

pull the codes and then you will have a base for diagnosis. other than that we would just be guessing.

btbw92091

guesses would be better then nothing right now i deleted the code and it barly runs to get a new code