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I am getting the code P0141

Tiny
OJAYO181
  • MEMBER
  • 2005 CHEVROLET COBALT
  • 90,000 MILES
I have an 05 standard cobalt, - This the oxygen sensor before the cat. Converter or after the cat. Converter? How do I know which O2 sensor this is and do I need a special socket tool for the job? Also can I buy the part NTK Oxygen Sensor Part No. 21546 from Advanced auto to fix this problem?
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Tuesday, February 28th, 2012 AT 2:54 PM

7 Replies

Tiny
OJAYO181
  • MEMBER
  • 9 POSTS
The code also reads P0171 and it says Bank 1 system to Lean
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Tuesday, February 28th, 2012 AT 2:56 PM
Tiny
BILLYMAC
  • MECHANIC
  • 2,204 POSTS
Hi yes you can buy the sensor from any parts store. They make an 02 sensor socket a couple diff sizes I use a wrench or to get old one off cut the plug off and use a socket.
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Tuesday, February 28th, 2012 AT 3:11 PM
Tiny
OJAYO181
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  • 9 POSTS
For Bank 1 - o2 sensor is this befoer the Cat. Converter or after the Cat converter?
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Tuesday, February 28th, 2012 AT 3:19 PM
Tiny
BILLYMAC
  • MECHANIC
  • 2,204 POSTS
Bank one is before the convertor
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Tuesday, February 28th, 2012 AT 3:23 PM
Tiny
OJAYO181
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  • 9 POSTS
Also, what does code P0455 Evaporative Emissions system leak detected, gross leak no flow mean?

Is that the EVAP Valve or canister, or both?
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Tuesday, February 28th, 2012 AT 3:37 PM
Tiny
OJAYO181
  • MEMBER
  • 9 POSTS
Also got the code P0496 - EVAP emsission system high purge flow, I think this is jsut the EVAP valve, correct?
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Tuesday, February 28th, 2012 AT 3:39 PM
Tiny
BILLYMAC
  • MECHANIC
  • 2,204 POSTS
This means at some point someone has left gas cap loose
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Tuesday, February 28th, 2012 AT 4:35 PM

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