1990 420SEL Idle control valve

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1990 420SEL Idle control valve

02-25-2011, 05:30 PM

dpetryk

Electrons can do anything

Join Date: Sep 2001

Location: Houston, Texas

Posts: 1,072

Check this out it details how to solve your adjustment of the ICV.

http://www.peachparts.com/shopforum/showthread.php?t=243090

Look at post 11 & 12.

Post 18 says how to make the adjustment.

The ICV does not affect the mixture and it is always regulating the idle speed contrary to what lkchris says.

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