Quote: Originally Posted by Anony  What is the code? The rectangular evap canister, located underneath the vehicle, should have three plastic ports connected to rubber hoses. Should be the same for 97 or 98 through 01 (federal emissions). From what I remember from a few years back after dropping the tank, there is a metal line coming from the fuel tank with a rubber hose to the canister. I can't remember if there is a rubber connection on both ends of the metal tubing. If it is leaking you should be able to splice in a new piece of metal tubing. The three ports should be .. one for the intake, vacuum line from the purge solenoid and the third is for fuel vapors and roll-over from the fuel tank. If one of the lines is not leaking. Evap canisters potentially can crack. Sometimes the plastic ports break off or develop a leak. Can't remember the code number but it's the one for evap leak small. My buddy ran it for me. My metal line is really rusted. On initial inspection the rubber lines look ok but I have to look more thoroughly. The charcoal canister -- technically called the EVAP canister -- is part of the vehicle's evaporative emission control system. It works with the natural vacuum leak detection (NVLD) pump to store gas vapors and keep them out of the atmosphere. This canister should last as long as the vehicle, but you may need to remove it to work on other components like the fuel tank. On the Jeep Grand Cherokee, it is mounted to the vehicle with multiple brackets and connected through hoses. This procedure may vary depending on the vehicle's exact year. Step 1Raise the vehicle's rear end using a floor jack and support it on jack stands. The charcoal canister is directly in front of the fuel tank, which is on the side of the vehicle with the filler door, and the hoses/wiring are connected on the canister's left side. Step 2Squeeze the inner edges on the release tabs to the EVAP hose's light-colored connector to release their locking teeth from the canister pipe's raised ridge. Pull the connector off the pipe to disconnect the hose. Step 3Push the sliding lock on the NVLD pump's electrical connector away from the pump and toward the wiring harness to move it to the release position. Press the release tab near the lock and pull the connector off to disconnect the electrical connector. Step 4Disconnect the filter hose from the NVLD pump, which is on the opposite side of the electrical connector. Step 5Press the locking tabs at the canister's right-side mounting brackets with a screwdriver to disengage the canister from the brackets. Step 6Swing the canister's right end out and away from the vehicle and disengage the mounting slot from the tab at the left mounting bracket to remove the canister. References
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Writer Bio Chris Moore has been contributing to eHow since 2007 and is a member of the DFW Writers' Workshop. He received a Bachelor of Arts in journalism from the University of Texas-Arlington. More ArticlesCan you bypass the EVAP canister?Can You Bypass EVAP System And The Car Still Runs Normally? Yes, it can. If you keep the bad evaporative emission control system on, it will affect the engine performance and acceleration.
How do I know if my EVAP canister is clogged?Common Symptoms Of A Bad Evap Canister. Poor Gas Mileage. A low gas mileage indicates that your vehicle is not operating at optimum efficiency. ... . Poor Engine Performance. ... . Difficulty in Starting Up the Engine. ... . Engine Check Light Turns ON. ... . Rough Idling. ... . Gas Odor. ... . Failed Emission Test. ... . Gas Tank will get difficult to fill up.. Can a car run without vapor canister?Will My Car Run Bad Without a Vapor Canister? Typically, a bad vapor canister will not make your engine run poorly—but the problem can make your car fail an emissions test.
Where is the EVAP canister located?The charcoal canister or vapor canister is usually located under the vehicle, often very close to the fuel tank. It is often hidden under plastic covers, so it can be difficult to locate it.
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1994 jeep grand cherokee evap canister location
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