2003 Chevrolet Trailblazer EXT Fuel System, Gasoline Problems

Source: NHTSA · Updated Mar 29, 2021 · 80 complaints analyzed

Owners have filed 80 complaints with NHTSA about fuel system, gasoline problems on the 2003 Chevrolet Trailblazer EXT, 26% of all complaints for this model year. Half of the reports with a mileage happened before 70,000 miles. The words owners use most often: “gas tank” (38% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Gas tank: mentioned in 30 of 80 complaints (38%)
  • Filler neck: mentioned in 14 of 80 complaints (18%)
  • Fuel leak: mentioned in 10 of 80 complaints (13%)
  • Strong odor: mentioned in 8 of 80 complaints (10%)

How much does it cost to fix?

Owners who wrote down what they paid or were quoted put the typical fuel system, gasoline repair on the 2003 Chevrolet Trailblazer EXT at $1,400, and half of them between $1,250 and $1,550.

Based on 20 NHTSA complaints about this problem alone that state a repair bill or quote (2006–2014), 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 system, gasoline problems happen?

Based on 66 complaints that reported the odometer reading.

Under 10k miles0 · 0%
10k–25k miles3 · 5%
25k–50k miles11 · 17%
50k–75k miles21 · 32%
75k–100k miles15 · 23%
100k–150k miles11 · 17%
150k+ miles5 · 8%

How serious are the reports?

None of the 80 complaints report a crash, fire or injury.

Chevrolet Trailblazer EXT fuel system, gasoline complaints by model year

Peak: 2006, with 102 complaints
2002: 232002232003: 802003802004: 292004292006: 1022006102

n = 234 complaints · Source: NHTSA

Model yearFuel System, Gasoline complaintsShare of that yearMedian miles
2006 Trailblazer EXT10254%54,000
2004 Trailblazer EXT2911%81,500
2003 Trailblazer EXT8026%70,000
2002 Trailblazer EXT2323%75,000

When owners reported it

Peak: 2007, with 26 complaints
2004: 1200412005: 2200522006: 112006112007: 262007262008: 112008112009: 112009112010: 3201032011: 6201162012: 2201222014: 6201462015: 120151

n = 80 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists fuel system, gasoline for the 2003 Chevrolet Trailblazer EXT. 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.

Nhtsa action number : pe07014 occurred on my vehicle around november 2014. The problem presented as p0442 cel and odor of gas after parking in garage. Gm has indicated because the special consideration allowance has expired, despite the low mileage they will do nothing. This vehicle was purchased…

Received Jan 24, 2015 · NHTSA complaint 10678685

Ses light came on. Dealership had no apps brought to mechanic. Code was for fuel emission leak. Replace gas cap. Week later code ses came on again. Brought back to the mechanic, said fuel tank is cracked. Called chevy and was told there was a recall but not my vin..... *tr

Received Aug 2, 2014 · NHTSA complaint 10618346

There is a strong odor of gasoline vapors coming from the rear of the vehicle, a crack can be seen in the neck of the fuel tank. When filling the vehicle, fuel spills out of the tank from the crack. The fuel gauge cluster in the dash doesn't work. The blower on the a/c unit doesn't work on the…

Received Jun 23, 2014 · NHTSA complaint 10605390

Frequently asked questions

Do all 2003 Chevrolet Trailblazer EXTs have fuel system, gasoline problems?

No. NHTSA has 80 owner complaints about fuel system, gasoline for the 2003 Chevrolet Trailblazer EXT (26% of the 313 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the 2003 Chevrolet Trailblazer EXT fuel system, gasoline?

No recall currently lists fuel system, gasoline for this vehicle.

At what mileage do fuel system, gasoline problems start?

The median reported mileage is 70,000 miles: half of the reports with a mileage came before that.

How much does it cost to fix fuel system, gasoline problems on the 2003 Chevrolet Trailblazer EXT?

Owners report a typical cost of $1,400 (half paid between $1,250 and $1,550), from 20 complaints that state a repair bill or quote, in 2026 dollars.

What do owners say about fuel system, gasoline problems on the 2003 Chevrolet Trailblazer EXT?

The most frequent phrase is “gas tank”, in 30 of 80 complaints, followed by “filler neck” (14).

Other 2003 Chevrolet Trailblazer EXT problems

See all 2003 Chevrolet Trailblazer EXT problems or fuel system, gasoline problems across all Trailblazer EXT years.