Chevrolet Trailblazer Fuel/propulsion System Problems
Owners have filed 383 complaints with NHTSA about fuel/propulsion system problems on the Chevrolet Trailblazer across 12 model years. The 2005 model year has the most (95). The words owners use most often: “fuel gauge” (29% of reports).
- 383fuel/propulsion system complaints
- —median miles at failure
- 4mention a crash
- 2mention an injury
- 0related recalls
- $1,250typical repair cost reported by owners
- 32%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Fuel gauge: mentioned in 112 of 383 complaints (29%)
- Gas tank: mentioned in 50 of 383 complaints (13%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical fuel/propulsion system repair on the Chevrolet Trailblazer at $1,250, and half of them between $1,050 and $1,700.
Based on 23 NHTSA complaints about this problem alone that state a repair bill or quote (2012–2023), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do fuel/propulsion system problems happen?
Based on 292 complaints that reported the odometer reading.
How serious are the reports?
Of 383 complaints, 4 mention a crash, 6 a fire, 2 an injury.
Chevrolet Trailblazer fuel/propulsion system complaints by model year
| Model year | Fuel/propulsion System complaints | Share of that year | Median miles |
|---|---|---|---|
| 2023 Trailblazer | 3 | 4% | — |
| 2022 Trailblazer | 5 | 5% | — |
| 2021 Trailblazer | 17 | 9% | — |
| 2009 Trailblazer | 1 | 4% | 104,000 |
| 2008 Trailblazer | 5 | 3% | 76,000 |
| 2007 Trailblazer | 58 | 8% | 82,660 |
| 2006 Trailblazer | 76 | 7% | 80,000 |
| 2005 Trailblazer | 95 | 6% | 94,000 |
| 2004 Trailblazer | 43 | 4% | 116,500 |
| 2003 Trailblazer | 55 | 6% | 140,000 |
| 2002 Trailblazer | 23 | 2% | 143,767 |
| 2000 Trailblazer | 2 | 8% | 91,000 |
When owners reported it
Related recalls (0)
No safety recall lists fuel/propulsion system for the Chevrolet Trailblazer. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
Original Owner of 2021 Chevy Trailblazer LT. Purchased new in April 2021. Vehicle has a history of major powertrain issues, starting with Check Engine light during its first year of ownership, culminating in a complete turbocharger replacement in December 2025. This only as a result of my research…
Vehicle stalled and shut off while driving in moving traffic on multiple occasions, resulting in sudden loss of power steering and brake assist â a significant safety hazard. Battery failed at 32,860 miles (September 2025) with all low voltage codes. Battery replaced by dealer. Vehicle continued…
My vehicle has 2 issues that are known but only recalled for another year. My car will say shift to park when in park and will not power off. My vin shows no open recalls for this issue for my vehicle but there is a service bulletin for this issue with my year vehicle. The dealer will not cover the…
Fuel gauge intermittently reports empty when vehicle was just fully filled with fuel
Vehicle experiences intermittent loss of acceleration at highway speeds. While driving at highway speed or going uphill, up ramp, down hill, down ramp the engine loses power and enters reduce power mode, making it difficult or impossible to maintain speed or safely merge with traffic. The issue is…

Frequently asked questions
Do all Chevrolet Trailblazers have fuel/propulsion system problems?
No. NHTSA has 383 owner complaints about fuel/propulsion system for the Chevrolet Trailblazer. Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the Chevrolet Trailblazer fuel/propulsion system?
No recall currently lists fuel/propulsion system for this vehicle.
How much does it cost to fix fuel/propulsion system problems on the Chevrolet Trailblazer?
Owners report a typical cost of $1,250 (half paid between $1,050 and $1,700), from 23 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about fuel/propulsion system problems on the Chevrolet Trailblazer?
The most frequent phrase is “fuel gauge”, in 112 of 383 complaints, followed by “gas tank” (50).
Other Chevrolet Trailblazer problems
- Electrical System problems (2,355)
- Fuel System, Gasoline problems (1,401)
- Exterior Lighting problems (761)
- Power Train problems (714)
- Air Bags problems (382)
- Engine and Engine Cooling problems (354)
- Visibility problems (348)
- Fuel System, Other problems (287)
See all Chevrolet Trailblazer problems.