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How much should it cost to replace both oxygen sensor;s
The sensors themselves can be a few hundred dollars. Never replaced on a Nissan, but 3-4 hours labor should surfice. Depending on the shop, that can be $400 just for labor.
Q&A > Nissan > 2001 Nissan Altima
Q&A > Nissan > 1998 Nissan Altima
Q&A > Nissan > 2000 Nissan Altima