2005 Mercury Mountaineer

Asked by Jan 25, 2016 at 08:30 PM

Question type: Maintenance & Repair

Every o2 sensor if faulted I have no idea where to
begin and help will be appreciated.

2 Answers

Is**

70,275

Buy new O2 sensors and install them. They are located on the exhaust system. You may need a special tool which you can buy at the auto parts store.

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    Every o2 sensor if faulted I have no idea where to begin and help will be appreciated.

    Maintenance & Repair

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