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#1
06-11-2003, 11:57 PM
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do I need a new idle control valve on 300E?????
I have cleaned the idle control valve 3 different times with carb cleaner but the car still has the surge at idle. It is an '87 300E. A lot of times it will start but then die immediately, are they related? It also will have a hesitation sometimes taking off from lights, etc. Are all those related to it?
To test the idle control valve I have turned the key to on but did not hear or feel anything from the valve. Am I checking it correctly? I do not want to pay $150+ for a new one if I do not have to. Thanks David 
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#2
06-12-2003, 09:45 AM
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Idle surge is not caused exclusively by the Idle Control Valve.
Other causes of idle surge are: 1.- Vacuum Leaks (the hoses that connect to ICV, Intake Manifold Gasket, etc..) 2.- Air Mass Potentiometer wore out (there are excellent posts with pics.... do a search) There are many solutions already posted, most likely one of those will solve your problem. Good Luck and keep us posted. PS. Let us know which solution worked for you.
__________________
1999 Porsche 996 Carrera Convertible 1994 420E - SOLD 1986 300E - SOLD, what a car 609 Certified
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