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Need advice on reading EVAP pressure graph and diagnosing P1CEA code

choogenboom

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First Name
chris
Joined
Aug 31, 2020
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Location
Beaufort SC
Vehicle(s)
2020 JL, 2019 JL
Trying to solve a P1CEA code on a 2020 JL with 4 cyl turbo.

Does anyone have insight into what this EVAP system pressure graph suggests? Looks to me likes its in a test loop pulling down to a -3.0" H2O vacuum and then checking to see if the vacuum is held ... and its not? I opened the gas cap at the 2 minute mark and you can see vacuum goes to 0. Does anyone have a evap system diagram with hose routing etc?
Thanks,
Chris

Jeep Wrangler JL Need advice on reading EVAP pressure graph and diagnosing P1CEA code Screenshot_20220103-104226_BlueDriver
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