05 CHEV AVALANCHE

  • Tiny
  • Mcharbie2003
  • 2005 Chevrolet Avalanche
  • 4WD
  • automatic
  • 44 miles

Engine light came on, scanned and these r the errors.

0 2 sensor circuit low voltage bank 1 sensor 1.
System too lean bank
Random/Multiple cylinder misfire detected

Can u help?

Mike

Wednesday, February 2nd, 2011 AT 2:30 AM

1 Answer

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,287 posts

Using a live info scanner, check the voltage reading of the O2 sensor at an idle whith the engine warm. It shouldn't exceed.45 volts. If it does, replace the sensor. Also, make sure to check wiring and connections for damage or corrosion.

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Tuesday, March 8th, 2011 AT 4:31 PM

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