Replaced 02 sensor but code still come up

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Old 08-08-2015, 10:12 PM
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Replaced 02 sensor but code still come up

My 01 CLs Auto was running really poorly on cold starts and and a CO2 misfire code came up. I changed the 02 sensor and that solved the issue.

The problem is the the check engine light comes on as soon as I start the car and the VSA light comes on once I get out on the open road. The CL runs really strong and idles smooth. I have just over 140K on the odometer.

Have any of you come across or heard of this gremlin
Old 08-11-2015, 09:42 AM
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Did you reset your ECU after replacing it?
Old 08-31-2015, 09:07 PM
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What oxygen sensor did you change ? primary or secondary
What codes did you have prior changing the sensor ?
Old 09-21-2015, 10:50 AM
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Originally Posted by Oakroadsteve
My 01 CLs Auto was running really poorly on cold starts and and a CO2 misfire code came up. I changed the 02 sensor and that solved the issue.

The problem is the the check engine light comes on as soon as I start the car and the VSA light comes on once I get out on the open road. The CL runs really strong and idles smooth. I have just over 140K on the odometer.

Have any of you come across or heard of this gremlin
Can you tell me the location of the O2 sensor? Mine needs to replaced as I'm getting code p0131. THanks
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