2.4L LE5 Performance Tech 16 valve 171 hp EcoTec with 163 lb-ft of torque

02 sensor overheating

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Old Jan 31, 2014 | 03:19 PM
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ninjabalt's Avatar
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From: dryden
02 sensor overheating

2008 2.4 cobalt throwing p0141 - 02 sensor overheat. Has anyone else had this problem, and how did they fix it??

Last edited by ninjabalt; Jan 31, 2014 at 10:24 PM.
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Old Feb 3, 2014 | 08:41 AM
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From: South County, MO
check for voltage/ground along the O2 heater wires
load check O2 heater wires


or you can just slap in a ACDELCO sensor
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Old Feb 3, 2014 | 09:30 AM
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I wouldnt replace the sensor before you test it.

I think the o2 sensor heater runs on a cycle and it could be getting stuck always on. Dont quote me on that though.
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