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Evap canister jeep grand cherokee

Engine light is on. bought a new gas cap and did not fix the problem

Posted by Anonymous on

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Posted on Jan 02, 2017

ZJLimited
  • 17970 Answers

SOURCE: I HAVE A 1998 JEEP GRAND CHEROKEE AND MY CHECK EVAP IS ON

I suggest Reset your ECU, maybe need eraser the fault recording.

Hop helped.

Posted on Nov 05, 2009

  • 58 Answers

SOURCE: i have a 2004 jeep Cherokee 6 cylinder with the

EVAP canister is located behind the left-rear wheel. It is attached to a two-piece support bracket

Posted on Feb 25, 2010

  • 2926 Answers

SOURCE: check engine light, vapor canister, have any idea

I would start with the gas cap replacement and see if the issue resolves itself. If you do have a problem with the EVAP (canister) system, it may require tools the average person does not have to help diagnose and correct/repair.

Posted on Jul 18, 2010

  • 12 Answers

SOURCE: 2002 firebird evap system 0440

Are you using ethanol blended fuel? If so stop and use unleaded only and see if after 2 tanks you can clear the code. If that doesn't help and your evap canister has 2 hose connections, try plugging the hose connection that doesn't go to the tank at the first point of connection away from the canister. Plug the line that goes to the first point of connection side of that line (vacuum side). Let the canister side of that line vent to atmosphere during this test.

Posted on Sep 09, 2010

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2 Answers

How do I fix a P1762


Check hoses around your gas tank. We had to replace all of mine even after a new gas cap was put on.

Sep 14, 2014 | 2003 Jeep Grand Cherokee

1 Answer

How to replace vapor canister Jeep Grand Cherokee V8


fsm quote.

All Grand Cherokee models-below the left front headlamp

no symptoms posted, so cant guess if this is bad. its not.

but you want to remove it , so you get to waste all that time doing so.

we never do this.

why not post the symptoms so good help can happen

got DTC errors, is the gas cap sealing? for EVAP failure?

that be first.



here is a list of canister ploys.



  1. i hate it and need to remove it. illegal


  2. i want to move it. ok "you tell us"


  3. it has a crack in the side, from past collisions and sucks air , fix it


  4. i got DTCs but cant remember them. pencil and paper , missing?


  5. the gas cap is bad or loose and i want to fix something harder.




see all the photos on the forum

http://www.jeepforum.com/forum/f13/best-way-relocate-evap-canister-564478/



they move it only for , wild off road front end modifications

a very unique context. but shows nice photos of front end

the FSM covers this.

why nor read the bible or post context and some symptoms if any.

or try reading this at alldata.com

see if they have instructions there.

my guess is the grill needs pulling

Jul 30, 2014 | 1993 Jeep Grand Cherokee

1 Answer

2004 jeep grand cherokee code 442/455


OBD code P0442 Small EVAP leak detected you may need to check the EVAP canister under the vehicle and the purge valve as well check for cracks on the canister or the purge valve and check all the rubber hoses connected to them foe cracks or holes. If you find any damage parts replace them. P0455 which means a large EVAP leak is sometimes referred as the gas cap leak check your gas cap and secure it tight if you still have the code change the gas cap hope this helps after you find and fix the problems get the vehicle to a shop and they will use an OBD scan tool to clear the codes.

Feb 26, 2014 | Cars & Trucks

1 Answer

How to fix obd 2 PO456 on jeep grand cherokee laredo 2002


Usually this P0456 code is caused by an incorrect or faulty gas cap. Filling the fuel tank with the engine running could conceivable cause this code as well or if the cap wasn't properly tightened. Any of the following could also be the cause:
  • A small leak in any of the EVAP hoses or fuel tank hoses
  • A small leak in the purge valve or vent valve
  • The EVAP Canister may be leaking

Oct 09, 2012 | 2003 Jeep Grand Cherokee

1 Answer

Engine light stays on code # P0456


P0456 is Evaporative Emissions System - Small leak detected.

More often than not it is a gas cap that is either not put on corrert or it has failed to hold the seal.
Less likely causes are:
  • A small leak in any of the EVAP hoses or fuel tank hoses
  • A small leak in the purge valve or vent valve
  • The EVAP Canister may be leaking

Aug 02, 2011 | 2002 Jeep Grand Cherokee

1 Answer

Check engine light, vapor canister, have any idea


I would start with the gas cap replacement and see if the issue resolves itself. If you do have a problem with the EVAP (canister) system, it may require tools the average person does not have to help diagnose and correct/repair.

Jul 18, 2010 | 2002 Jeep Grand Cherokee

1 Answer

Check engine light stays on could I need a new gas cap 2002 grand cherokee will auto zone have it


WELL I WOULD FIND OUT WHAT THE CODE IS AND THAT MAY LEED YOU TO WHAT IS WRONG WITH JEEP I THINK YOU CAN GO TO AUTO ZONE AND THEY WILL READ CODE FOR FREE IF IT IS SMALL EVAP LEAK YOU COULD TRY GAS CAP BUT IF IT IS ANY OTHER CODE ITS NOT GAS CAP

Aug 13, 2009 | 2002 Jeep Grand Cherokee

1 Answer

"evap canister" almost cracked off. What exactly does it do? Should it be replaced?


Yes, you should replace it. This canister is to take the fumes from your gas tank into your engine. You need this to pass your state smog test.

May 27, 2009 | 1997 Jeep Grand Cherokee

2 Answers

OBDI 11 ERROR CODE P1494 EVAP leak detection pump pressure switch condition


This is gonna blow your mind: I had the same problem with my 02 Chev Blazer and braced myself for an awesomely expensive fix. I kept getting the same response from the experts, though: "you WILL NOT get an evap failure - did you forget to close your gas cap?"

Buy a new gas cap, then run your Jeep for a week or so. The air in your fuel system should work itself out and kill the check engine light.

Dec 12, 2008 | 2000 Jeep Grand Cherokee

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