Mechanics

05 CHEV

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
Avatar
Mcharbie2003
February 2, 2011.




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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