Low power and runs hot

Tiny
RVSJR
  • MEMBER
  • 1987 NISSAN STANZA
  • 2.0L
  • 4 CYL
  • 2WD
  • MANUAL
  • 120,000 MILES
Car starts easy, idle smooth, has very little power runs hot.
Friday, May 7th, 2021 AT 1:21 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,716 POSTS
Hi,

My first thought is a plugged catalytic converter. Are there any odd sounds or smells from the exhaust? If so, remove an oxygen sensor before the converter. That will allow additional airflow. It won't be perfect, but if the converter is plugged, you will notice a difference in power with it out.

Also, take a look through this link. Let me know if what you experience mirrors what you experience.

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

Here is a link that shows how to test one:

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

Let me know what you find or if you have other questions.

Take care,

Joe
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Friday, May 7th, 2021 AT 10:00 PM

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