4.0

definitely annoying
Typical Repair Cost:
$270
Average Mileage:
122,000 miles
Total Complaints:
1 complaints

Most common solutions:

  1. O2 sensor replaced (1 reports)
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problem #1

Apr 172013

Sierra 1500

  • Automatic transmission
  • 122,000 miles

Driving around, at times my truck loses power - umph. I could be at 40 mph and then slow down for a few seconds then it picks back up to speed.

Update from Jun 13, 2013: Once my O2 sensor was replaced, i no longer lose power - umph

- Joshua O., Anchorage, AK, US