Thread: 560SEL, O2 Sensor light, rough idle
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Old 01-09-2003, 08:03 PM
ctaylor738 ctaylor738 is offline
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Join Date: Apr 2000
Location: Falls Church, VA
Posts: 5,318
On my 107 wiring diagram, the O2 warning light is connected to the speedometer! No connection to the sensor or EMS.

Dunno why the new O2 sensor made things worse.
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Chuck Taylor
Falls Church VA
'66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe
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