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#1
02-09-2005, 02:34 PM
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Idle Control Valve
Come on guys this is an easy one for the experts. Should the idle control valve on a 126 close completely during operation? I know that during operation it gets a modulating voltage to keep it from sticking but when it does get the high voltage should it close completely? I'm trying to troubleshoot a high idle. On the bench with 12v the valve on the ICV moves up about 50% to restrict air intake but does not close entirely. Is this how it is supposed to work?
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#2
02-10-2005, 01:10 AM
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__________________
joel Prayers bring forth enlightenment.
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#3
02-10-2005, 07:59 AM
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ON the M116/117 engine the valve SHOULD close completely with battery voltage applied.
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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