evap

Hello, I have a 2001 TJ 4.0. At the beginning of this year my jeep would not start so I took it to a local mechanic. They let me know that it was most likely the PCM. They had it for a week and still could not diagnose the official problem, but adding a ground wire to the PCM seemed to bypass...

I wanted a title that would communicate the unique nature of my refuling issue to avoid being linked to that same tired old thread about 05 & 06 TJs and their splashback valves (with the video of the mechanic who looks right at a TJ and calls it a Cherokee). At the moment, my biggest regret in...

hi all, i have a 2004 tj with an evap leak I'm trying to track down. i did a smoke test on the evap side and the only leak i can find is out of the leak detection pump filter. is it supposed to do that?

2004 Jeep Wrangler 4.0 Hello guys, first time ever posting in a forum so I'll jump right into the issue. In the past week it's been below 0° in the mornings, when I start my jeep on the cold mornings I get a misfire out of cylinder 2 and 3, once the engine warms up it seems to run fine, maybe a...

I've got these 4 codes on my 05 4.0 that have been up for a little while now. I have only tried replacing the gas cap which didn't solve the issue. I'm guessing these 4 codes are all in relation to one another. Do they ring a bell for anyone? I was planning on going to the mechanic and getting...

I am very new to fixing up Jeeps. I have a 97 that needs new lines. From reading some of the forums I figured out one is an evap line and one is fuel. But I can’t find a replacement anywhere. Unless it is used. I’d really like to find new ones if I can. Rock auto has nothing and weRmopar isn’t...

Hey everyone, I'm currently dealing with a P0441 (Incorrect flow detected). Looks like the 2 hoses that went to the EVAP canister have disappeared in the last week or so. I can't find a solid diagram showing how to properly wires these back up. I've has issues filling the gas tank too. The pump...

So i replaced my o2 sensors with the NGK sensors about 7k miles ago. Didn’t have codes for a while, but just checked it today and I’m pulling codes P0031, p0051, & p0136 (all related to o2 sensors). I’m also pulling codes for p0303 (cylinder 3 misfire) and p0455 (evaporation emission system...

So I've done some research on a heater core replacement and am fully aware of what it entails, but just wanted to get an opinion first before I disassemble the whole dash. My upper coolant hose had a leak, so I replaced it and "burped" the air out of the radiator and everything seemed fine...