2008 GMC Canyon failed smog

2008 GMC CANYON
38,000 MILES • 2.9L • 4 CYL • 2WD • AUTOMATIC
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RROCKY2008
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Failed functionality test (no data from 02 sensor, 02 heater, and evaporation system). After the oil changed odometer was reset and added approximately 239 miles to gain data after being zero out.
Mar 11, 2014 at 5:45 PM
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SATURNTECH9
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So were the monitors not set on those items you listed?
Mar 11, 2014 at 5:53 PM
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RROCKY2008
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The smog mechanic check the monitors and said there were nothing wrong with them. What shall I do?
Your response will be much appreciated. rocky2008
Mar 11, 2014 at 6:19 PM
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SATURNTECH9
  • ✓ASE Certified Mechanic
  • 30,869 POSTS
  • ASE Certified Mechanic
I dont understand how the monitors can be good with a issue with o2 sensor heater and evap.So there is no data stream from the o2 sensor?
Mar 11, 2014 at 9:33 PM
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