will new o2 sensor help my engine run better

2000 KIA SEPHIA
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RIEBED
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Hi will a o2 sensor smooth out a rough running engine- haven't had a working one in for about 2 months-had to replace the front Cat./front pipe and that took about 2 months time to order and install. Now I'm ready to install the final o2 sensor in the front replaced front pipe and Cat
Nov 10, 2011 at 2:46 PM
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RASMATAZ
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Go to this link for more information: https://www.2carpros.com/articles/engine-stalls
Nov 10, 2011 at 2:50 PM
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DRCRANKNWRENCH
  • ✓Experienced Mechanic
  • 3,380 POSTS
It can sometimes, but usually it will have more of an affect on fuel mileage.

Here is a link to a walk through diagnostic for rough running engines.

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

Let me know if you have any questions and I will get back ASAP.
Nov 10, 2011 at 2:54 PM
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