P0304 after replacing Transmission

Masmohs

New Member
Original poster
Joined
Feb 22, 2020
Messages
1
Location
USA, MN
Hello,

2003 TJ, 2.4 manual, ~170K

My mechanic replaced my bad transmission with a used one (with 50k on it) and since then I am getting P0304 with a bit of vibration. Could the misfire in #4 code be related to transmission replacement?

(My mechanic working on this transmission for about 5 months now! First he opened it up and changed a few things, and put a new clutch in it as well, and it was still making noise so I had to buy a used tranny and replace it. Its about $3 k into it and it is still having problem)

I am a new member and I appreciate your help.