cylinders wont fire

try plug wires? I assume you have auto tranny maybe a prob with kick down

[quote:9448d37482="andrewelpers"]2002 mustang v6 60,000milage i was going down the high way with the cruise control on at 70 start going up a incline and my car shutters and it starts acting like it wants to die check engine light starts to flash i take it to the family machanic who tells me number 5 and 6 cylinders aren't firing and he doesn't know why he says the engine is fine done a compresion test on the engine says everything checks out he is a good guy just can't figure it out please need some ideas want my car back[/quote:9448d37482] well i got my car fixed after paying ford 750 dollars and this is what they said was rong i flow switch was baad as was the coil and then when they fixed all that the spring in valve for was broken but that is what they told me :shock: