Under the hood of my 1991 190e 2.6, I found a loose connector that I cannot find the connection spot to.
The wire seems to be running from underneath the intake manifold and the wires inside the casing are brown and white. The connector's part number is 011 545 85 28. Does anyone know where this connector connects to?

Perhaps it could somehow be related to the car's rough idling issue.

Thank you

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1991 Mercedes-Benz 190e 2.6- FOR SALE
1998 Audi A4 1.8T