You have an evap temp regulator that may be failing. In the 123, it is behind the dash pocket. Square box with two wire and a temp probe. Closed circuit with warm evap.

Do you not have a CD for this yet?

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Benzmac:
Donnie Drummonds
1992 500E (very soon I hope
1981 280GE SWB
ASE CERTIFIED MASTER AUTO TECHNICIAN
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