how to know which oxygen sensor is bad on 2001 Grand Marquis

Asked by Dec 01, 2016 at 01:42 PM about the 2001 Mercury Grand Marquis LS

Question type: Maintenance & Repair

does code reader indicate which oxygen sensor is bad?

3 Answers


Test them. targetPage=productsHowToInspect&leftNavPage=productsHowTo&p ageId=%090996b43f80a01215&subtitle=test


Personally I think it is easier to replace them.

1 out of 1 people think this is helpful.
Best Answer

Yes,agree, and have bought 2 Bosch 15717 oxygen sensors. Predictive maintenance practice supports your recommendation. Thank you.

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