My Bosch manual indicates that you can retrieve the fault codes by reading the Check Engine light flashes. I have the code chart. The procedure involves the spare fuse socket on the KE 3 Jettronic, but this obviously is not accessible on the '88 300E. Does anyone know how to trigger the check engine light flash code retrieval on this application?

Thanks for the help,

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Larry Bible
'01 C Class, Six Speed
'84 Euro 240D, manual, 533K miles
'88 300E 5 Speed
'81 300D Daughter's Car
Over 800,000 miles in
Mercedes automobiles