Catalytic converters temperature readings

2006 NISSAN FRONTIER
130,000 MILES • 4.0L • V6 • 2WD • AUTOMATIC
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ROBBINHA11
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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?
May 25, 2019 at 6:27 PM
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JACOBANDNICKOLAS
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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
May 25, 2019 at 6:50 PM