how to reset service engine light after trying all suggestions

Asked by Jun 06, 2014 at 08:56 PM about the 2001 Chevrolet Silverado 2500HD LS

Question type: General

Replaced oxygen on sensor bank one after determining the code with a decoder.
I have tried every recommendation to get the light to turn off and no success.
The light was on for over 1 1/2 years and only symptom was poor gas mileage.
auto zone told me the sensor on bank was one was bad, the up stream one.
At this point I just want the damn light to turn off!
Since this was a 4 wd the front universal had to be unbolted in order to access the wire  
disconnect plug. Every thing went well but the light is persistent and stays on.
I am going to remove one battery lead all night and see if the computer resets.
any suggestions?
I have tried to turn key to on and pushing gas pedal to the floor 3 times within five
seconds. that did not work either.

1 Answer

87,075

If the battery disconnect doesn't work, make sure it is the same code, if it is then you might need to have a better scan tool that has live data so you can read what each sensor is doing, if it shows that the sensors are operating properly then the ECM has been burned-in with that code, some times a dealer can do a reflash and it might cure it, but if not then a new ECM will be your next step.

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