Code P1133

1997 CHEVROLET S-10
139,000 MILES • 4 CYL • 2WD • MANUAL
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RON347
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97 Chev S10 4 clyinder getting the code P1133 Just replace the 02 senor last week. What do I do now.
Feb 14, 2011 at 5:05 AM
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STRAILER
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It sounds like you have a defective oxygen sensor becasue it is switching to slow. I would replace it with an AC Delco unit. Here is a guide that will help you get it changed out.

https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor

Then clear the ocdes

https://www.2carpros.com/articles/check-engine-light-clear-codes

Here is how it is on your car (below)

Please let us know what happens.

Cheers, Ken
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Nov 30, 2017 at 1:11 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.