How and where can I take temperature with an infrared thermometer of the catalytic converters?

2005 TOYOTA SIENNA
125,000 MILES • 3.3L • 6 CYL • 4WD • AUTOMATIC
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IMAGING
  • MEMBER
  • 151 POSTS
I need to determine if they need replacing or not.
Oct 8, 2021 at 1:59 PM
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KASEKENNY
  • ASE Certified Mechanic
  • 18,907 POSTS
  • ASE Certified Mechanic
We can help with this.

Here are a couple guides that will walk you through exactly how to do this:

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

https://www.2carpros.com/articles/how-to-use-an-infrared-temperature-meter

Plus, below you will find the info from the manual on your vehicle that will help with identifying this and replace it if needed.

Please let us know what you find. Thanks
Oct 8, 2021 at 3:34 PM
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