I have a 87 Mustang GT. Heres the problem. In the mornings right at the point it starts to warm up, it starts to miss. Sometimes it sounds like individual cylinders are cutting out and sometimes it sounds like for half a second all 8 cut out. After it warms up if Im cruising down the road and let off, its like the car just falls on its face. Then it hesitates to go. If im sitting at an idle and try to accelerate it hesitates. If it starts missing and a rev it up sometimes I get what sounds like an intake backfire. Here is what Ive done, new plugs and wires, cap and rotor. And I just bought a new TFI module, but I havent put it on yet. I tried to check for an upper intake gastket leak buy spraying TB cleaner on it. Any help would be great, thanks.
Josh
Josh