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Old 10-03-2001, 11:41 PM
dpetryk's Avatar
Electrons can do anything
Join Date: Sep 2001
Location: Houston, Texas
Posts: 1,071
Cant see the switch

On a 91 420sel what is the proceedure to replace the throttle switch that operates when the throttle butterfly valve is fully closed. I know it is on the throttle rod somewhere, but I cant even see the little bugger. I followed the wire leading to it but it disappears deep inside the intake manifold someplace. What has to be removed to get to it? My idle is not under control and this switch reads defective.
I got too many cars!! Insurance eats me alive. Dave

78 Corvette Stingray - 3k
82 242 Turbo Volvo - Manual - 270k
86 300e 5 speed manual - 210k
87 420sel - 240k
89 560sl - 78k
91 420sel - 205k
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Old 10-04-2001, 12:03 AM
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Join Date: Apr 2001
Location: Beech Island, S.C.
Posts: 468
It's not as easy as you might think. The switch is located on the throttle body but you have to remove the top side of the intake to get to it.
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