Do I reset ecu after changing O2 sensors???
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Senior Member
Joined: Mar 2001
Posts: 435
I did a search and came up with nothing under "ecu" or "ECU". I checked Cheston's page and came up with a poorly scanned "how to reset the ecu"
I have a 95 Maxima Se. My mechanic plugged his computer (snap on brand) and told me the front two O2 sensors needed to be changed. I did that. I was hoping for an increase in gas mileage also. I was getting 21 mpg. I was hearing that people here could get 25-26 with the same type of driving i'm doing. 50%freeway/50% street. .
So my question is....do I have to reset the ECU after change the 02 sensors to get optimal performance or proper performance?
I have a 95 Maxima Se. My mechanic plugged his computer (snap on brand) and told me the front two O2 sensors needed to be changed. I did that. I was hoping for an increase in gas mileage also. I was getting 21 mpg. I was hearing that people here could get 25-26 with the same type of driving i'm doing. 50%freeway/50% street. .
So my question is....do I have to reset the ECU after change the 02 sensors to get optimal performance or proper performance?
Senior Member
Joined: Sep 2000
Posts: 4,601
Originally posted by 95maximase
I did a search and came up with nothing under "ecu" or "ECU". I checked Cheston's page and came up with a poorly scanned "how to reset the ecu"
I have a 95 Maxima Se. My mechanic plugged his computer (snap on brand) and told me the front two O2 sensors needed to be changed. I did that. I was hoping for an increase in gas mileage also. I was getting 21 mpg. I was hearing that people here could get 25-26 with the same type of driving i'm doing. 50%freeway/50% street. .
So my question is....do I have to reset the ECU after change the 02 sensors to get optimal performance or proper performance?
I did a search and came up with nothing under "ecu" or "ECU". I checked Cheston's page and came up with a poorly scanned "how to reset the ecu"
I have a 95 Maxima Se. My mechanic plugged his computer (snap on brand) and told me the front two O2 sensors needed to be changed. I did that. I was hoping for an increase in gas mileage also. I was getting 21 mpg. I was hearing that people here could get 25-26 with the same type of driving i'm doing. 50%freeway/50% street. .
So my question is....do I have to reset the ECU after change the 02 sensors to get optimal performance or proper performance?
You will find useful information in the Sticky ECU Diagnostic Trouble Codes.
Re: easy way to reset ECU
Originally posted by 95maximase
cool...sticky shows a much clearer way to reset ECU. Does unplugging battery do the same thing? How long should you let your car sit with the battery off. thanks
cool...sticky shows a much clearer way to reset ECU. Does unplugging battery do the same thing? How long should you let your car sit with the battery off. thanks
Here is a great link:
http://www.brianv.net/ecu.html
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Sep 2, 2015 09:53 PM