7.3

pretty bad
Typical Repair Cost:
$10,270
Average Mileage:
131,200 miles
Total Complaints:
3 complaints

Most common solutions:

  1. not sure (2 reports)
  2. replace injector pump flush fuel lines (1 reports)
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problem #3

Jun 272023

Silverado 2500 LTV 6.6L Diesel

  • Automatic transmission
  • 136,332 miles

I was pulling my boat with five people in the vehicle and the vehicle stopped running on the freeway just getting into a large city. Was on the freeway for 2 hours then had to get 2 tow trucks because there was 5 passengers and a boat to take the vehicle home 200 miles away. Took to repair shop and the diagnoses was the failure of the CP4 fuel pump, putting metal shavings through the fuel system. I work remodeling homes, and I use my truck to pull my work truck daily. After being in the repair shop for 2 weeks I got it back and the total cost of the tow truck and repairs was $10,263.03

- Leslie C., Pendleton, OR, US

problem #2

Nov 242021

Silverado 2500 LT 6.6L

  • Automatic transmission
  • 101,000 miles

I hope they do a recall on the pc 4 pump this is ridiculous that this is happening to so many people now it happens to me.

- Stephen G., Newton, US

problem #1

Jun 152020

Silverado 2500 LTZ 6.6L Duramax

  • Automatic transmission
  • 156,241 miles

click to see larger images

injection spread metal shavings throughout fuel system injection spread metal shavings throughout fuel system

I would like to be compensated for the cost of repairs.

- William F., Woodlake, US