Chevrolet Trailblazer Fuel/propulsion System Problems

Source: NHTSA · Updated Oct 9, 2026 · 383 complaints analyzed

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).

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.

Under 10k miles4 · 1%
10k–25k miles2 · 1%
25k–50k miles17 · 6%
50k–75k miles58 · 20%
75k–100k miles72 · 25%
100k–150k miles92 · 32%
150k+ miles47 · 16%

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

Peak: 2005, with 95 complaints
2000: 2200022002: 232002232003: 552003552004: 432004432005: 952005952006: 762006762007: 582007582008: 5200852009: 1200912021: 172021172022: 5202252023: 320233

n = 383 complaints · Source: NHTSA

Model yearFuel/propulsion System complaintsShare of that yearMedian miles
2023 Trailblazer34%—
2022 Trailblazer55%—
2021 Trailblazer179%—
2009 Trailblazer14%104,000
2008 Trailblazer53%76,000
2007 Trailblazer588%82,660
2006 Trailblazer767%80,000
2005 Trailblazer956%94,000
2004 Trailblazer434%116,500
2003 Trailblazer556%140,000
2002 Trailblazer232%143,767
2000 Trailblazer28%91,000

When owners reported it

Peak: 2012, with 91 complaints
2012: 912012912013: 60602014: 462014462015: 58582016: 402016402017: 20202018: 142018142019: 13132020: 9202092021: 442022: 5202252023: 442024: 7202472025: 772026: 520265

n = 383 complaints · Source: NHTSA

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…

Received Sep 3, 2026 · NHTSA complaint 11761820

Vehicle stalled and shut off while driving in moving traffic on multiple occasions, resulting in sudden loss of power steering and brake assist — a significant safety hazard. Battery failed at 32,860 miles (September 2025) with all low voltage codes. Battery replaced by dealer. Vehicle continued…

Received Jun 24, 2026 · NHTSA complaint 11746241

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…

Received Mar 30, 2026 · NHTSA complaint 11728035

Fuel gauge intermittently reports empty when vehicle was just fully filled with fuel

Received Jan 29, 2026 · NHTSA complaint 11714358

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…

Received Jan 5, 2026 · NHTSA complaint 11708955
Chevrolet Trailblazer
2002-2005 Chevrolet TrailBlazer photographed in Marshall Hall, Maryland , USA.. Representative photo; appearance varies by model year. Photo: IFCAR, Public domain, via Wikimedia Commons.

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

See all Chevrolet Trailblazer problems.