I have the engine code PO133 which says O2 sensor circuit slow response bank 1 sensor 1. What exactly does this mean?
Mar 28, 2010 at 9:13 AM
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LEGITIMATE007
✓ASE Certified Mechanic
5,121 POSTS
that basically means that , the oxygen sensor in question has a weak signal, and needs replacement
Mar 28, 2010 at 12:25 PM
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