loss of acceleration

(Might be a long read, but would appreciate any help!) Recently bought an ‘01 TJ with an engine swap that the previous owner stated was from an ‘03 Rubicon. Apparently it was installed by a Chrysler/Jeep tech off the clock. Everything looks like it was done properly and by the book. I was told...

Hello, I have a manual 1998 Jeep Wrangler Sport 2D 4.0L. It has been running fine for the past year since I've owner it and is in great condition. It has a few upgrades, including differentials, neon underglow, interior glow, Bluetooth radio, and a 10.5in underseat subwoofer/Amp. Recently, I...

Hi all, firstly apologies as I've posted about this issue a couple times and in different places but im still having issues and in need of some advice, and am hoping that by posting again it might gain a few new eyes and some new interest. I recently picked up an 04 TJ 4L with the 42rle auto...

So I recently had a major loss of power in my 04 TJ 4.0L Manual transmission. Pulling out is difficult and accelerating is super slow. I recently cleaned my throttle body, changed spark plugs, changed my MAP sensor (had a Mass Air Flow OBDII code) and I also fixed an exhaust leak a few months...

Hey Guys, My jeep is having starting issues, hopefully someone here has had a similar issue or can offer some solutions. I last drove my jeep ('06 LJ, 81K miles) on Friday when I parked it at a buddy's place to go out of town for the weekend. Came back a few hours ago, hopped in my jeep and...