The vehicle is a 2009 Infiniti FX50. It so happens that most misfires in these vehicles are due to bad coilpacks.
Troubleshooting this was not very difficult, but I had a little trouble getting my large hands to some tight areas.
P0301 Cylinder Misfire. How to Diagnose & Repair on Infiniti + Nissan
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Update: I changes all 6 ignition coils 2+ weeks ago, car has been running super smooth, then out of the blue when turn the car on i got a P0306, not sure if one of the ignition coils is bad so what i'll do it swap out that spark plug, and swap the ignition coild from bank 2 to 6 and 6 to 2. and then see if i can get that code again…. the car wasnt running weird or idling weird… it was just a code that copped up, so i cleared it and waiting for it to coome back.
Just changed all 6 of my ignition coils with Hitachi ones. Car runs much better now.
Do you know if the fx37/g37 share the same coil packs as the fx50 or are they different?
Are you planning to do an oil change in the tranny? Would love to see that.
Same problem it was a p0302 and p0300 number 2 coil easy but now I have a bank 1 and 2 on the cats so I have a question how many cats does this car have?
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