2003 Chevrolet Suburban 2500 Fuel system Problems
- Complaints
- 2about this part
- Share
- 10%of 21 total for the year
- Median mileage
- 131,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the fuel system of the 2003 Chevrolet Suburban 2500, 10% of the 21 complaints for this model year. Where a mileage was given, the median is 131,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I will be driving down the road both hwy and city. The suburban will go into reduced engin and lose all its power and speed. I have to pull over and cut the car off and restart it and it's fine to go for maybe a mile and it does it again. They can not pin point what the problem is . It's very dangerous.”
NHTSA complaint #10823383, filed 2016-02, 190,000 miles“The contact owns a 2003 Chevrolet SUBURBAN 2500. While driving 35 MPH, the contact depressed the brake pedal and it traveled all the way to the floorboard. The contact was able to stop the vehicle. The vehicle was towed to an independent mechanic where they performed an interim repair. The vehicle was taken to an independent mechanic where it was diagnosed that all the brake lines were rusted and needed to be replaced. The contact was also informed by the independent mechanic that the vehicle may need the fuel pump line replaced as well. The vehicle was not repaired. …”
NHTSA complaint #10763849, filed 2015-09, 72,000 milesRelated service bulletins
- 11004761Jun 28, 2024This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or…
- 10171878Jan 2, 2020This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended…
Fuel system: other model years
Other parts of the 2003 Chevrolet Suburban 2500
14 complaintsElectrical system
3 complaintsTransmission and drivetrain
2 complaintsEngine
1 complaintsEngine cooling
1 complaintsOther or unknown
1 complaintsBody and structure
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2003 Chevrolet Suburban 2500
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology