O2 sensor location 2009 Cadillac DTS

Asked by Duke7022 Apr 30, 2018 at 11:00 PM about the 2009 Cadillac DTS Luxury I FWD

Question type: Maintenance & Repair

1 Answer
9,515

brotherben answered 6 years ago

B2S1 left (front) bank is in the exhaust manifold collector. B1S1 right (rear) bank is in the top of the exhaust manifold. B1S2 is the after-cat sensor, passenger side of the exhaust pipe

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