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Old 08-15-2009, 07:34 PM   #1
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1999 Cherokee
Default Is this the Evap Vapor canister?

I am trying to get my '99 Cherokee to pass emissions/inspection, it is throwing a ECL light with code p0455 for Evap Leak Large. I changed the gas cap and checked the lines all seem ok...until I started following lines from the tank. They pass into a plastic box mounted to the rear frame/unibody. Is that the vapor canister/charchoal canister? I thought they were up in the engine compartment. If so, I am geussing that if it is smashed open, that might be the problem. Any place online that I can pick one up (besides junk yards/craigslist/ebay -- been there done that)?

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Old 08-15-2009, 11:05 PM   #2
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Yes that plasticbox is your vapour canistor and if its smashed it will be causing your cel. prob the dealership is going to br the easiest not sure how much$$$
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Old 08-15-2009, 11:05 PM   #3
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I looked up the schematics for your evap system,what it says is.The chorcal canister is located on the right fender well,the item you are refering to is a water vapor seperator. which should be easier to find than a charcoal canister.The vapor seperator will cause the code,if it is as open as you say
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Old 08-15-2009, 11:30 PM   #4
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my 00' is behind the bumper on the pass. side. look at all the lines for holes, or cracks. if the lines look good, then try a new gas cap. after a week of searching a new cap fixed mine
D.I.Y. intake, JKS disco's, 3" R.C. lift, 31x10.50's
clinometer, bosch 4 hole sticks. door trim delete mod. headlight conversion,w/ silverstar's, and upgraded harness. extended brake lines, brushguard, all amsoil fluids, and way too many new parts.
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Old 08-16-2009, 09:41 AM   #5
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Took a better look at it today. The canister is actually mounted to the floor near the drive shaft and rearend in a triangular shaped not-so-protective shield. Looks like the jeep got hung up on something and the shield pulled part of the plastic canister apart. I am gonna try to drop it today but looks like I'll have to snap or cut the bolts off. Danged emissions! I apreciate the help I just wanted to know what the heck it was called before I go junkyard surfing for one.
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Old 08-16-2009, 09:41 AM
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