August 26: GM Hard Brake Pedals Investigated in 1,164,820 Vehicles investigations | 23 days ago
August 24: GM Engine Failure Investigation Includes Nearly 1 Million Vehicles investigations | 25 days ago
July 18: GM Class Action Lawsuit Focuses on Radiator Hose Connector news | 62 days ago
July 5: GM Rear Sliding Window Water Leaks Cause Lawsuit news | 75 days ago
4.0
definitely annoying- Typical Repair Cost:
- $270
- Average Mileage:
- 122,000 miles
- Total Complaints:
- 1 complaints
Most Common Solutions:
- O2 sensor replaced (1 reports)
engine problem
Helpful websites
- No one has added a helpful site for this 2005 Sierra 1500 problem yet. Be the first!




A D V E R T I S E M E N T S
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