Originally Posted by w1ldyovvnz
got a 2002 dodge and 2nights ago it ran fine yesterday morning it was misfiring and got p0307, ive got the code before and a mechanic replaced the tps because it was too low of an idle(did that 3-4days ago). so last night i checked plug wires and changed them with ones from my 318 2nd gen and no code smooth running, etc. so this morning same thing real rough didnt idle some misfiring, etc. anyone know what to look for? already got plugs, wires, cap and rotor changed.
Is the sparkplug gap correct? You may want to check the connections between the coil and the ECM. Check the inside of the distributor cap, maybe you have some corrosion on a terminal. Start out with the basic stuff, cap, rotor, spark plug gap, coil, etc...