Water Temp Sensor, two pole deal! It controls the CIS-E by telling it what the engine temp is to richen or lean fuel mixture as well as operate the cold start valve! 40 Bucks! It has the two single black poles with the rather bulky connectors that are water tight sealing type. And yes it has everything to do with fuel delivery as I stated it tells the CIS-E Controller the engine temp!

Edit: Hocky yours is FI, ours is CIS-E mechanical Fuel Injection with some electral adjustments and control! The EHA and the cold start injector are about all it does control.

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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.....