need help 560 sel 1990 idles very low and will stall after running when i slow down. if i pull the connector off the icv no increase in idle. have took it off and cleaned it last week. car at the moment sounds like a diesel with the rattling.is this from the icv also?

did you check the ov realy and fuse? it is the red one by the firewall

well i pulled it and it looked fine what else do you suggest?

Idle valve supplied with power from the OVP. You should have power at one of the wires at the idle valve from that. Ground is supplied either from the engine control module (I believe this is correct) or an idle control unit. Check for power first and let us know. If there is no power and the fuse in the OVP is OK, then probably needs a new OVP. Or some guys I guess like to repair the OVP.
Gilly

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do i check it with an ohm meter? which one goes to red and black? not sharp on these things?just need to fix this need to go out of town friday about a 3 hour trip one way and want to be safe. would this ovp also cause the ecomony setting to go in the red at idle. economy is good on the highway. as i said the motor sounds like a deisel at low speeds an idle. i appreciater everyone's help here.

Check for vacuum leaks!

Peter

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1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
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