190E 2.3 (201.024) L4-2.3L (102.961) (1984)
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Air/Fuel Mixture: Adjustments
Notes Concerning the Air/Fuel Mixture
The air/fuel mixture is controlled by the CIS-E control unit and under normal circumstances does not require adjustment. However, when fuel injection
system components have been replaced or engine repairs have been completed, which may require readjusting the air/fuel mixture, proceed with
CHECKING THE AIR/FUEL MIXTURE ADJUSTMENT and ADJUSTING THE AIR/FUEL MIXTURE.
