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Ron Z.
Ron Z., - Nissan Tech -
Category: Nissan
Satisfied Customers: 17792
Experience:  18+yrs experience. State Inspector and Nissan Diagnostics
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I have a 2005 nissan sentra, The code p1273 has come up.

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I have a 2005 nissan sentra, The code p1273 has come up. What does this code indicate? Thanks Mike

This p-code is pointing to a fault in the A/F Sensor (aka Oxygen Sensor). Make sure there are no vacuum leaks in any lines or from the intake. If there are no leaks found, replacing the A/F sensor should solve the problem.

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