Thread: '85 500 SEL idle probs... help!
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Old 01-27-2007, 10:34 AM
david s poole david s poole is offline
david s poole
  
Join Date: Mar 2005
Location: dallas
Posts: 1,822
get a smoke test done on the intake and you will see the vacuum leaks.you have all the correct symptoms.vac leaks will affect engine at idle but rev up and problem dissappears.
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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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