2003 Chevrolet Suburban engine and engine cooling problems
10 owner complaints filed with NHTSA name the engine and engine cooling on the 2003 Chevrolet Suburban — 3% of all complaints for this model year.
What owners report
“I have 2003 suburban 1500, that keeps getting a error message "reduce engine power". The vehicle will all of sudden while driving, reduce speed and I can't accelerate above 25-30mph. I will have to pull over and turn car off for 10-15 seconds before it resets, however it will continue to happen…”
filed Sep 26, 2011
“I was driving my suburban when a message reading "reduced engine power" came on and my car cut off. I was very lucky to only be going 20 mph in my neighborhood. Had I been going faster and had a car been following close behind, we would have caused an accident. This problem still persists and stops…”
filed Sep 15, 2011
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine and Engine Cooling problems in other Suburban years
| Year | Reports | Share |
|---|---|---|
| 2024 Suburban | 6 | 16% |
| 2023 Suburban | 7 | 6% |
| 2022 Suburban | 4 | 4% |
| 2021 Suburban | 9 | 5% |
| 2020 Suburban | 1 | 2% |
| 2019 Suburban | 2 | 3% |
| 2015 Suburban | 1 | 0% |
| 2010 Suburban | 1 | 1% |
| 2009 Suburban | 2 | 2% |
| 2008 Suburban | 2 | 1% |
| 2007 Suburban | 6 | 2% |
| 2006 Suburban | 1 | 4% |
Other reported problem areas on the 2003 Chevrolet Suburban
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.