Help. My 95 c 220 will only run with pressure on accelerator until warm,then idles fine

I wouls start by "scrubbing" the throttle butterfly & throttle housing with fine grit scotch-brite pad.

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Thanks its fixed.

just curious!

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Simon Shearer

1986 420SEL

2000 Porsche 911 Millenium Edition Carrera 4
2010 Lexus RX 350
2002 Kia Rio
2002 Hyundai Accent