I purchased this vehicle in February of 2015, since then I have replaced the power steering pressure hose, the alternator (due to the leaking power steering hose flooding & shorting it out), put new strut assemblies on the front, replaced the spark plugs, cleaned the MAF, replaced the fuel pump, and 2 ignition coils. It is still idling ROUGH, stalls when it starts, and has an error code of P0306 (saying my cylinder 6 is misfiring). However it has a NEW ignition coil & spark plug. Took it to the mechanic and they say that cylinder 6 is getting NO fire. We have checked the CAM sensor, the fuel injectors & combustion to the injectors. Checked wire to the ignition coil–all are firing as they should. Everything checks out, just ZERO fire to cylinder 6. Can someone help me figure out what it is?? The only other thing we can come up with is Engine Control Module–which I attempted to reset but now it will not stay running. PLEASE help!! Thank you.
2002 Nissan Maxima GLE