I have had good success with the flourescent dye to check for leaks, a leaky evap will show dye in the condensate drain puddle.

changing the evap is not too bad on an Odyssey.

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2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)