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Poor Gas Mileage on '93 400E
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12-10-2002, 12:19 AM
Jhoulihan
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Join Date: Jul 2002
Posts: 50
I have not checked the codes yet. I will have to research how to do this so I can avoid the dealer. I do remember seeing some slight black smoke on the accelerator ramp and night. Will the codes tell me if the O2 sensor is bad?
Jerry
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