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Getting code for small evap system leak. Anyone know 2004 TJ canitser location? How about an evap system diagram? Thanks.
 

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Getting code for small evap system leak. Anyone know 2004 TJ canitser location? How about an evap system diagram? Thanks.
First, check gas cap. Make sure it's on there nice and tight. If it's not a OEM gas cap, this code may pop up. Check all your fuel hoses. Start from the gas tank by the filler cap, and if I'm not mistaken, follow all the little hoses all the way to the engine. They should be located along the side (driver's side). Check for any cracks and such. This happened to me recently. Found the crack on one of the return lines. I used epoxy to seal it up and code never came back.
 

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There is a vacuum "box" attached to the inner fender just below the battery on the passenger side. I imagine that's what your looking for?
 
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