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Catalytic converters temperature readings

Tiny
ROBBINHA11
  • MEMBER
  • 2006 NISSAN FRONTIER
  • 4.0L
  • V6
  • 2WD
  • AUTOMATIC
  • 130,000 MILES
I’m measuring the temperature of my catalytic converters with a laser thermometer. How many degrees F difference/hotter should the rear of the converter than the front?
Saturday, May 25th, 2019 AT 6:27 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Welcome to 2CarPros.

The converter should be running around 500 degrees. You really shouldn't see more than 100 to 150 degree difference.

Let me know.

Joe
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Saturday, May 25th, 2019 AT 6:50 PM

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