Exhaust leak 02 sensor have coded?

DMAURICE

MEMBER
2017 NISSAN SENTRA
4 CYL
2WD
66,000 MILES

Your steps to the visit and replacement were great, thanks. A dealer is now replacing the exhaust manifold. I don’t know if there are two. My question is, shouldn’t the 02 sensor have coded with an exhaust leak into the cabin air?

Thursday, March 19th, 2026 AT 9:56 AM

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Exhaust leak 02 sensor have coded?

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