97 Chev S10 4 clyinder getting the code P1133 Just replace the 02 senor last week. What do I do now.
Feb 13, 2011 at 9:05 PM
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STRAILER
✓Experienced Mechanic
55,616 POSTS
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.