Hi,
I was able to find a schematic for the vacuum system (EVAP). I attached it below. (See pic 1) Additionally, pic 2 below is the legend for the schematic. Take a look at it and let me know if it helps.
Also, here is a link you may find helpful, it explains how to locate and repair engine vacuum leaks:
https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge
Let me know if this helps.
Take care,
Joe
See pics below.
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Wednesday, August 16th, 2023 AT 10:02 PM