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05 chev Avalanche

Tiny
MCHARBIE2003
  • MEMBER
  • 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 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 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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