SPONSORED LINKS

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
  • 108,179 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.
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Tuesday, March 8th, 2011 AT 4:31 PM

Please login or register to post a reply.

Related Engine Lean Content

How To Fix an Engine Backfire
VIDEO
How To Fix an Engine Backfire
Instructional repair video
Lean Exhaust
GUIDE
Lean Exhaust
Common Misconception: When an engine misfires, the cylinder runs lean, not rich, this is because the air to fuel ratio favors air by 14x. Therefore, an engine must be...
VIEW MORE

Sponsored links