i have a 1996 firebirdit a 3800 type engine v-6 and im having major problems with it. my check engine light keeps coming on so i checked the code it was puting out. it was i beleave a (p-300 )code saying random misfire so i changed out plugs,plug wires, and coil packs and erased the code and after all that it still comes up same code. im fresh out of ideas and would love any help i can get.:banghead:

Crank position sensor?

Does your car run like there is a misfire? Are there any vacuum leaks?