Thread: 86' 420 High Idle Problem
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Old 03-26-2007, 04:39 PM
david s poole david s poole is offline
david s poole
  
Join Date: Mar 2005
Location: dallas
Posts: 1,822
the idle on an 86 420sel is controlled by a module behind an angled panel in front of pass.under glovebox.it maybe original and may need replacing.check if it's getting power.
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David S Poole
European Performance
Dallas, TX
4696880422

"Fortune favors the prepared mind"
1987 Mercedes Benz 420SEL
1988 Mercedes Benz 300TE (With new evaporator)
2000 Mercedes Benz C280
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