Search results

Here's my experience with the P0340 code, I apologize if the post is long, but I hope it'll help anyone having the issue. First I replaced my OEM Wonky PCM with a Wranglerfix unit, it restored communication with my code scanner and eliminated all the false O2 sensor, and coolant temp codes...

Hello, New here to the Forum, but not new to Jeeps. currently drive an 05 LJ, My wife drives an 08 JKU Rubi. Previous Jeeps, 1980 CJ-7 with 304, 1988 YJ, and 1999 TJ