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  1. JK Wrangler Technical Forum
    im going insane trying to hunt down the cause of my small evap leak code. ive tried doing everything i can find in previous posts but nothings solved it ive changed the gas cap,taped up the lines near the battery,changed out the leak detection pump,i crawled underneath it and checked the plastic...
  2. Jeep CJ Forum
    Good Morning, Last year i replaced my head gasket cover on my 1984 CJ7 4.2 straight 6. In the process i needed to disconnect some air/vacuum lines to gain access. During the reassembly process i could not find a home for one hose line and now my Jeep is failing its fuel cap pressurization...
  3. ZJ Grand Cherokee Forum
    Can someone please give me some direction on making sure the hoses are in the correct locations on this? The hose with the T is What is throwing me off. The hoses from the 2 lines I pointed out were spliced in several pieces and not 100% on which one goes where. I would appreciate any input...
  4. JK Wrangler Technical Forum
    Greetings - Long story short, a Southern Arizona critter ate into my 2016 JKU Sport's fuel supply tube (Mopar 68141849AD Fuel Supply Tube for 12-18 Jeep Wrangler JK ), into the fire retardant, and transmission tube. Few weeks later I get the P0456 EVAP Small Leak and GAS CAP light. At the...
  5. Engines & Drivetrain
    I purchased a 2001 Jeep Grand Cherokee 4.0L, after purchasing it the check engine light came on and gave me code P1494. Everyone said most of the time its the 90-degree elbow on the intake manifold, which seems to be the case since someone shoved a bolt into one of the vacuum lines. I believe...
  6. KJ Liberty Forum
    I have a 2002 liberty that has both a small and large evap leak the gas cap looks good what do I replace first also looking for the iod fuss
  7. TJ Wrangler Technical Forum
    I've just about finished up my TJ swap and I'm on the home stretch. The project started with two parted out Jeeps: a 2000 and 2004. I performed a transmission swap auto to manual and swapped body tubs. Everything is put together, no conflicts, everything is hooked up, no issues thus far. I...
  8. YJ Wrangler Technical Forum
    So ADEQ pass my 4.2 with flying colors for the emissions portion of the test but I have failed the evap pressure test. I am thinking of all the lines under the jeep running from the tank to engine compartment and would love some insight on where to start the process of elimination. Is there a...
  9. JK Wrangler Technical Forum
    All, I just wanted to share what I found through trial and error and lots and lots of searching this forum, other forums, and online in general. I've had EVAP (Evaporative Emission System) leak error codes (P0455, P0456, P0457 or the GAS CAP message) multiple times over the past couple of years...
  10. Jeep MK Compass & Patriot Forum
    EVAP Canister / Charcoal Filter A few weeks ago I began having trouble filling the gas tank in my 08' Patriot. At first I thought maybe it was the pump/station but have tried several now and the problem persists. No codes are being thrown. Based on some reading I pulled the EVAP canister off...
  11. JK Wrangler Technical Forum
    So I recently installed a MBRP off road exhaust on my 2012 2Dr. I keep reading about people either putting a heat shield on the Evap or relocating it. Is this really necessary because of heat. I not asking for off-roading purposes because I know everyone recommends relocating due to hitting the...
  12. XJ Cherokee Technical Forum
    Hi all. I pulled my valve cover off to service it, but while putting it back on a hose that rested on top came lose. I have traced it back to the Evap/charcoal canister and I am sure it is suppose to connect to the fuel tank. Since it is just over a foot long I believe it connects to another...
  13. TJ Wrangler Technical Forum
    I hate for this to be my first post, but I've searched the forum from top to bottom and can't find a reference to repairing a broken nipple on a gas tank. I have an 03 TJ... While chasing down a check engine code, found one of the Evap line nipples on the tank to be broken. I know there is...
  14. XJ Cherokee Technical Forum
    I took my 2001 XJ in for NJ inspection today and I failed. I failed for the following reasons: Overall Readiness Result: Fail Catalytic Converters: Not Ready Evaporative System: Not Ready Oxygen Sensors: Not Ready Oxygen Sensors - Heaters: Not Ready They gave me a little explanation that said...
  15. YJ Wrangler Technical Forum
    I have a 1993 YJ, 4.0L 6 Cylinder, and we just tried to pass smog today and it failed in two places. One was the visual test, which was just an old hose and can be fixed without a problem. The other one was the Emissions test. 15 mph Test (FAIL) RMP: 1385 CO2: 14.7 O2: 0.6 HC: 29 (Max: 63) CO...
  16. TJ Wrangler Technical Forum
    I'll spare the details but I have decided to put it all back in and smog the jeep one last time before I green sticker it. Any Pics, diagrams, anything would be alot of help. I need to round up all my parts and hopefully I remember where it all goes. I've tried google and searched forums with...
  17. TJ Wrangler Technical Forum
    ok so i want to instal some 4in flush mount brake lights and also cut my fenders into comp fenders. does anyone know or have any suggestions on relocating or removing the evap canister. i was thinking i could move it into the cab above the rear fender. any help would be awsome.
  18. TJ Wrangler Technical Forum
    Ok so i installed my savvy gts and broke the little retaining clip to the connection for the evap system (the directions did say they were a pain and to be careful when removing them.......:oops: :shhh:) Well i've looked for these clips at autozone, napa, etc. and they don't have any big enough...
  19. TJ Wrangler Technical Forum
    Hey guys, I'm trying to get my jeep ready to pass inspection and I have run into a slight problem. Earlier today I set out to try and fix what was causing my check engine light to appear. I got the jeep to throw the error code P 0455 ( a major leak in the EVAP system), after replacing the gas...
  20. Full Size Jeep Forum
    Hello everyone, I am new here and new to being a Jeep owner. I just bought this great wagoneer , ran it through emissions , and failed miserably. I have the co under control now . But need help with the evap part. According to Arizona emissions I have no pressure what so ever , no tank line is...
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