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1999 Chevy Tahoe O2 Sensor

Tiny
BANKERINLV
  • MEMBER
  • 1999 CHEVROLET TAHOE
  • V8
  • 4WD
  • AUTOMATIC
  • 256,000 MILES
I live in Nevada and my truck just failed the emissions test. The data on the trouble code is P0141 which states; O2 sensor heater circurt (Bank 1 Sensor 2)

Can you please tell me where this paticular O2 sensor is located?

FYI, I replaced the motor about 5,000 miles ago.

I would love to donate to your technicians, but at this time I have all my cards over limit. Sorry
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Monday, June 2nd, 2008 AT 2:12 PM

3 Replies

Tiny
ANPHON
  • MEMBER
  • 9 POSTS
Dude I have a 1999 tahoe also. I've been through hell and back with those sensors. I ask the machanic that question and he say that they were underneath your truck, they could be anywhere. He couldn't give me the exact location at the time. But he did say there was lots of them. I enventully got all my damage ones replaced. It costed me around 700.00 total. Those things can be a pain in the rear. Good luck
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Wednesday, June 18th, 2008 AT 9:33 AM
Tiny
RHALL77
  • MECHANIC
  • 3,361 POSTS
It is located under the vehicle behind the cat converter.
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Wednesday, June 18th, 2008 AT 10:01 AM
Tiny
JIM9944
  • MEMBER
  • 1 POST
How many O2 sensors are there on the Tahoe. Mine is an 05 Tahoe and the earlier questions/comments made it seem there were more than one sensor on this vehicle?
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Saturday, June 21st, 2008 AT 9:49 PM

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