1993 Chevrolet S-10 Logo

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kenny stelly Posted on Jun 26, 2012

1993 s10 codes 21 22 45

High idel

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  • Posted on Jul 17, 2012
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If its a ob1 than 21 is throttle position sensor error to high 22 is throttle body posistion sensor to low and 45 is o2 sensor error to rich hope this helps

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