Code P1133 AGAIN, please help.
10-12-2003, 01:57 PM
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Join Date: Sep 2000
Location: Lake Zurich IL
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Code P1133 AGAIN, please help.
I was getting an SES light on for code P1133 which is "HO2S Insufficient switching sensor 1/bank 1 fuel control shifted lean.
About 2 weeks ago I replaced my front 02 sensors with new GM parts. Reset battery now the code came back on today. This also happened last year the same code. I am starting to get annoyed and am thinking there is some other problem. Does anyone have any info on what could possibly be going wrong? or know a site that explains what is causing P1133 and what its definition means.
Thanks a lot
About 2 weeks ago I replaced my front 02 sensors with new GM parts. Reset battery now the code came back on today. This also happened last year the same code. I am starting to get annoyed and am thinking there is some other problem. Does anyone have any info on what could possibly be going wrong? or know a site that explains what is causing P1133 and what its definition means.
Thanks a lot
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