Today in my 1998 E300 DT, the CEL/Check Engine Electronics message came on and I downloaded a code P0243 Turbo/Super Charger Wastegate Solenoid "A".

It was really cold this morning (like 0-5 degrees) and I suspect something just got stuck momentarily, but I could tell the car had a loss of power as I was getting on a highway, that was when the CEL light came on. I reset the code and it has not recurred. Anyone know if there's something I can clean up to prevent this from being a future problem?

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Marty D.

2013 C300 4Matic
1984 BMW 733i
2013 Lincoln MKz