HELP PLEASE! ok ok when i start my car, it starts fine, but when i step on the gas it doesn't rev, it like farts and almost's dies, anyone know what the problem may be, like when i floor the pedal is dies, or when i engage the pedal quickly it dies, er not dies but gets to the point. but when i engage the gas slowly it revs fine till after 2K then it does the same thing. and with open downpipe it sounds liek a big repeated fart like a harley sort of er a tracker, and i checked my wires and they are correct any help is needed! please help!