running problem 560 sel

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running problem 560 sel

08-17-2000, 11:31 PM

Doug AZ

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I have a 90 560 sel,If the o2 sensor is pluged in the car leans out,has low idle and will barely get out of its way.If I unplug the o2 sensor it runs great but with a check light.I replaced the o2 sensor and it has all new tune parts,I tryed to adjust the mixture at the fuel dist but it just seems to go back to the lean condtion.Any help would be great. Doug AZ

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