Slow to accelerate

Tiny
CIENIO
  • MEMBER
  • 2013 NISSAN ALTIMA
  • 2.5L
  • 109,456 MILES
Takes forever to get to 40mph.
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Friday, November 6th, 2020 AT 1:44 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi,

This can be the result of several different things. If you have that little of power, the first thing I suspect is the catalytic converter may be plugged. However, that should have set the check engine light. Is the check engine light staying on with the engine running? Are there any smells or sounds that seem out of the ordinary?

Do me a favor. Take a look through this link and let me know if it seems to mirror what you experience. Also, let me know what has been done to this point to diagnose the issue.

https://www.2carpros.com/articles/bad-catalytic-converter-symptoms

Here is a link that explains how to test one. The link indicates the removal of the converter. However, if you simply remove an oxygen sensor before the catalytic converter, it will make a noticeable difference if the converter is plugged.

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

Let me know if this helps or if you have other questions.

Take care,
Joe
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Sunday, November 8th, 2020 AT 3:57 PM

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