Quote:
Originally posted by Duke2.6
Also check the throttle position switch. It's located under the flow sensor at the end of the throttle shaft. You can pull the pigtail off at the harness connector on top of the manifold. There is a WOT and idle signal line, plus a common ground.
This switch is often overlooked when dealing with idle speed control problems. It was the cause on my car, and once I cleaned around the switch and got good continuity on the idle signal the high idle went away.
Duke
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Duke,
have you removed the switch for cleaning /inspection?
I intend to do it on my 260E 1988 which has the same engine as 190 2.6.
How did yo adjust it back, any procedure?
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Keep us posted especially if your problem is solved
Present cars:
My car: E-class 420CDI, 2008, W211, V8, 180 000km
Wife's one: C-class 220CDI Sport Coupé, Euro, 2002, W203. 345 000km
Son's one: GLK class 220CDI, 2009, W204
Sold E class 260E, W124, 1988 beloved car sold after 489 000 kilometres of reliable services (engine M103, clutch and 5 speed manual gear box all original).
E-class, W210 320CDI, 2000[/B], 225 000km, Sold
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