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So I had a code for a small evap leak and had one for a large evap leak. The small one...probably the gas cap so I got a new one. Then tge the large one was probably the purge valve or a vacuum hose leak. So I replaced the purge valve and my CEL is back on.

Where would you look first for a vacuum hose leak in this situation? Or any other ideas on it?
 

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You may have to buy a gas cap from a dealer. Also go over every vacuum hose. If you still can't find it, go have it smoke tested.
What year is your Jeep? Some models had a charcoal cartridge in the rear passenger wheel well.
 
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