Code P0140 location

2004 CHEVROLET IMPALA
89,000 MILES • 3.4L • 6 CYL • 2WD • AUTOMATIC
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PIERRE VICK
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  • 1 POST
Where is Code P0140 located on my car?
Oct 23, 2016 at 7:05 AM
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WRENCHTECH
  • CERTIFIED EXPERT
  • 20,761 POSTS
That is the downstream sensor (after the converter).
Oct 23, 2016 at 10:03 AM