8.0

pretty bad
Typical Repair Cost:
$3,350
Average Mileage:
215,900 miles
Total Complaints:
1 complaints

Most common solutions:

  1. oem replacement (1 reports)
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problem #1

May 042025

Yukon Denali 6.2L

  • Automatic transmission
  • 215,856 miles

Pretty surprised to have the cats clog at just over 200K. Just had the motor replaced. Maybe the engine failure caused the cats to clog? Replaced with OEM unit. Runs great again. Hoping to see another 200K out of her.

- Eric R., Branson, MO, US

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