What would cause the oxygen sensor to go bad. In 1999 Mercedes Benz e 320

Asked by Nov 22, 2014 at 04:45 AM about the 1999 Mercedes-Benz E-Class E 320

Question type: Maintenance & Repair

1 Answer

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Age is usually the first one then contamination of the sensor ie coolant in exhaust gases, certain silicones, etc. Bad sensor wiring.

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