stutter and loss of power
ford f150 1993 5.0 motor , starts and runs perfectly cold, until about a mile and half it start to miss and backfire through intake system. loses all power and I have to hold it to the floor just to make it through a red light , wich all it does is pop and spit . ive replaced timing chain, top intake gasket , all vacuum lines cleaned egr and ide control valve and throttle body. cap is 3 weeks old . cleaned 02 sensor , no cats on truck and replaced ignition control modue . truck still does the same thing after about a mile an a half, even tried the heet in both tanks but no improvement. can somebody give me any ideas as to what to try next , also ceaned battery posts so I am at a loss ....help