Check engine light

Asked by Ethan Dec 09, 2016 at 08:07 AM about the 2003 Chevrolet Silverado 1500 LS 4WD

Question type: Maintenance & Repair

I have a 2003 chevy  Silverado the check
engine light has been on for a long time
but I hook it up to the computer it says
sensor one bank one O2 sensor is bad
could someone please tell me where that
sensors located at on my pick up on the
passenger or the driver side and before or
after the cat.  Here recently it has started
acting funny  I can put the gas pedal all
over the floor and it will just barely slug a
long

2 Answers
10

Brian answered 5 years ago

2004 GMC 1500 Sierra 5.3 same issue but not sure it is the O2 sensor.

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20

Benjamin answered 5 years ago

Had the same problem. Your catalytic converter could be clogged.

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Your Answer:

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