mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Engine Shakes at Idle|Page 4526 > < Engine Shakes at Idle|Page 4524
Page 25
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O2-SENSOR PLUG

ON-OFF RATION 100%

ON-OFF RATIO 100% Note:
If on-off ratio is 100% and idle speed is too high, check fuse on overvoltage protection relay and/or power supply and ground connection (see G).
(Testing overvoltage protection relay, page 29).

Testing and Adjusting Controls

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