4.0

definitely annoying
Typical Repair Cost:
$270
Average Mileage:
101,000 miles
Total Complaints:
2 complaints

Most common solutions:

  1. not sure (1 reports)
  2. replaced o2 sensor (1 reports)
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problem #2

Apr 172013

Sierra 1500

  • Automatic transmission
  • 122,000 miles

engine light will come on, while driving it some times blinks turns off then turns back on

- Joshua O., Anchorage, AK, US

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problem #1

Dec 062010

Sierra 1500 4.6L

  • Automatic transmission
  • 80,000 miles

check engine light stays on, changed gas cap and reset with scanner. light came back on and stayed on.

- roma1623, Gretna, LA, US

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