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CLS400
P152500 The check valve of the evaporative emission control system (at full load) is jammed open - Stored
P04F000 Wide open throttle regeneration of the activated charcoal canister has a malfunction - Stored
I’ve searched these codes like crazy and have posts on the 300 engines but cannot really find anything in the cls400 or where this check valve is.
Anyone know where it is?
Thanks but this is what I am looking for. The upper hose assembly has the partial load check valve built into it.
The bottom has the full load check valve and venturi next to vapor inlet from the purge valve that you posted.
both are these are $100 so I am starting with the full load check valve as it maps to my error codes. Hopefully that fixes it because the upper hoses require the intake to come off to get to oil/air separator.
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