Quote:
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Originally Posted by sbourg
Remove the electrical connector from the idle control valve to see if idle drops. If so, you may be running too rich. If not, the ICV may be sticking open, and should be cleaned. It is also still possible you have a small air leak - check all air hoses for cracks or loose fitting at connectors, and for vacuum lines disconnected.
Steve
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Hi Steve
I went out to my car and disconnected the idle control valve and it drops to a 850rpm spot on.But when i put it back on the engine revs to 1500rpm again so may be running to rich. It was getting too dark to check all the air hoses.will check tomorrow..I have the car booked in at a mercedes main dealer on 29th i hope they fix it quick as they charge £80 per hour labour..(robbing gits)
Cheers Karl