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tes
User

May 7, 2013, 7:31 PM

Post #1 of 3 (1600 views)
sensor Sign In

hi everyone it's a 2004 Nisan altima the code is p01273 air fuel ration sensor, is this referring to the O2 senor or something else need your advice.


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

May 7, 2013, 8:28 PM

Post #2 of 3 (1568 views)
Re: sensor Sign In

Tes, come on now. You can do better than that. Which engine?

Do you repair cars on the side or for a living?


P1273 is for the Bank 1 A/F sensor showing on the lean side for a specified amount of time. It is a type of O2 sensor called a wide band sensor. It doesn't work like a narrow band O2 sensor, but looks just like any old O2 sensor with the exception of having 7 wires.

You definitely need a high end scan tool to look at the A/F voltage.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on May 7, 2013, 8:33 PM)


tes
User

May 7, 2013, 8:54 PM

Post #3 of 3 (1554 views)
Re: sensor Sign In

hello there first I like to thank you for answering, but I,am just curious to know things.






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