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Recently picked up a 1990 Mercedes Benz 420 SEL that had a high idle every now and again when warm, then eventually it just kept on getting higher until I did something about it. At the start it idled up around 1000 rpm, when warm, which went back down to normal when you put in in drive, but under a fair amoun...

Posts Tagged With "IAC"		Forum	Replies	Views	Last Post
	Mercedes 560 420 High Idle IAC Motor 1990 Mercedes Benz W126 V8 560 / 420 HIGH IDLE WHEN WARM. (Preview)	1979-1991 Mercedes-Benz R107 + W126	4	4619	05:22 AM Feb 2, 2017 by Rastus
	Recently picked up a 1990 Mercedes Benz 420 SEL that had a high idle every now and again when warm, then eventually it just kept on getting higher until I did something about it. At the start it idled up around 1000 rpm, when warm, which went back down to normal when you put in in drive, but under a fair amoun...