Thread: 94 E320 - Idle Speed Control
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  #6  
Old 01-06-2009, 11:54 PM
Arthur Dalton Arthur Dalton is offline
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Join Date: Aug 1999
Location: Florida / N.H.
Posts: 8,804
The required switch is a single pole, momentary ON push button sw.

Anyway, code 21 is Purge, not crank sensor...

You need the tool for a proper diagnosis,.
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A Dalton
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