Thread: w124 Diagnostics questions "Check Engine Light"
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  #11  
Old 08-02-2009, 06:33 PM
Arthur Dalton Arthur Dalton is offline
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Join Date: Aug 1999
Location: Florida / N.H.
Posts: 8,804
That chassis should have a CIS system socket at pin 3 [ not 2], unless it is Fed version.

See if there is a yellow Emmissions sticker under hood stating Cal Emmissions.
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