WHAT IS ERROR CODE P0140?

  • Tiny
  • Glenda Moccia
  • 2004 GMC ENVOY
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 65,000 MILES

Enter your question. Getting error code of PO140, how is this fixed. Have had two sensors replaced that had to do with gas/air intake is this the same sensor or a different one that needs to be replaced? Service engine light soon keeps coming back on?

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Thursday, July 21st, 2011 AT 12:27 AM

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  • Tiny
  • Mhpautos
  • EXPERT
  • 30,743 POSTS

This is for a faulty O2 sensor, is this what was replaced?

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Saturday, July 23rd, 2011 AT 8:09 AM

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