Oxygen sensor Locations

Asked by Oct 24, 2015 at 01:53 AM about the 2004 Buick LeSabre

Question type: Maintenance & Repair

Where is the O2 sensor located?

1 Answer

150,545

There are maybe four of them, one in each each exhaust manifold, I think it's a ... V6 .... another in exhaust pipe downstream from then and in Calif emissions package yet another down stream from cat. I tried to find an image but to no avail

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