2007 Chevrolet Avalanche engine problems
24 owner complaints filed with NHTSA name the engine on the 2007 Chevrolet Avalanche — 6% of all complaints for this model year.
What owners report
“Traveling hiway on cruise. My 5.3l down shifted to accelerate to go up an incline. Shortly after that there was low to almost no power. Check engine light then came on. I was able to do 30mph on freeway to get it home. Took it to a local garage since gray Daniels chevy wouldn’t service it since I…”
filed Apr 21, 2026
“Code p2128 code p2122 have replaced tps, throttle body, accelerator pedal (×3) and bypassed connectors with direct wiring from accelerator pedal to ecm continue to get codes with check engine light with decreased engine power, check stabilitrak, and stabilitrak disabled. Have to clear codes with…”
filed Jul 2, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
03-06-01-023I · Service Bulletin/Repair Instructions · issued Dec 18, 2024This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
03-06-01-023H · Service Bulletin/Repair Instructions · issued Oct 7, 2024This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
04-06-04-051J · Service Bulletin/Repair Instructions · issued Sep 27, 2024
Engine problems in other Avalanche years
| Year | Reports | Share |
|---|---|---|
| 2013 Avalanche | 4 | 5% |
| 2012 Avalanche | 3 | 8% |
| 2011 Avalanche | 9 | 7% |
| 2010 Avalanche | 6 | 5% |
| 2009 Avalanche | 1 | 1% |
| 2008 Avalanche | 15 | 6% |
| 2005 Avalanche | 3 | 4% |
| 2004 Avalanche | 1 | 1% |
| 2003 Avalanche | 2 | 1% |
| 2002 Avalanche | 3 | 1% |
Other reported problem areas on the 2007 Chevrolet Avalanche
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.