05 CHEV

2005 Chevrolet Avalanche

Tiny

Mcharbie2003

February, 2, 2011 AT 2:30 AM

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

1 Answer

Tiny

Jacobandnickolas

March, 8, 2011 AT 4:31 PM

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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