P0141 Code on Check Engine Light

terabyte · 05-08-2009, 04:03 AM

Help Please! This code means that an oxygen sensor needs to be replaced. I reset the check engine light with my Scangauge. The thing is though...the check engine light doesnt come back on right away when I turn the car back on. Ill use the car the next day...no check engine light. But the day after that...the check engine light (P0141) returns. Its very random.

Btw, my gas mileage isnt suffering...everything is normal.

Do you think it needs to be replaced?

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wnycec · 05-08-2009, 02:03 PM

If its throwing the code it needs to be replaced. We all rely on the car's comp to tell us when things are going wrong. I didnt notice any suffering to my car's performance for the rear O2's but I changed them anyway cause leaving these types of things unattended could lead to larger problems.

Larger problems leads to more $$$

05-08-2009, 02:03 PM	#2
wnycec Super Member Join Date: May 2005 Location: New York City Posts: 538 Drives: 2000 CLK 430	Yes If its throwing the code it needs to be replaced. We all rely on the car's comp to tell us when things are going wrong. I didnt notice any suffering to my car's performance for the rear O2's but I changed them anyway cause leaving these types of things unattended could lead to larger problems. Larger problems leads to more $$$

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