Pull the air cleaner assembly off. It is between intake runner 2 and 3 right in the middle next to the head. You will see the four regular injectors and there lines, then dead center bewteen 2 and 3 you will see a bigger injector with a hard line and electrical connector on it. That is the Cold Start Valve.

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~Jamie
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2003 Pewter C230K SC C1, C4, C5, C7, heated seats, CD Changer, and 6 Speed. ContiExtremes on the C7's.

1986 190E 2.3 Black, Auto, Mods to come soon.....