Thread: WHICH JETRONIC SYSTEM IS IT
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Old 03-11-2009, 06:55 PM
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clarkz71 clarkz71 is offline
Mercedes Technician
  
Join Date: Feb 2009
Location: Fort Lauderdale, FL
Posts: 78
Correct, he has the CIS-E system first seen on the W126 in 1986.

CIS stands for continious injection system. There's always a "fog" of fuel waiting for the intake valve to open.
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