YearToAvoid

2005 Chevrolet Trailblazer Ext 370 Fuel System Problems

NHTSA has 94 owner complaints about fuel system problems in the 2005 Chevrolet Trailblazer Ext 370, 40% of all 237 complaints for this model year. That is the highest fuel system complaint count among 2 Trailblazer Ext 370 model years. These complaints report 1 crash and 1 injury. Median mileage at failure: 69,000 miles.

Fuel System complaints
94
40% of 237 complaints
All complaints this year
237
Crashes reported
1
Fires reported
0
Injuries reported
1
Median mileage
69,000 mi
Related recalls
0

When 2005 Chevrolet Trailblazer Ext 370 fuel system complaints were filed

First complaint Mar 23, 2007, latest Dec 29, 2019.

2005 Chevrolet Trailblazer Ext 370 fuel system complaints: complaints filed per month13Mar 2007Jul 2009May 2010Nov 2010Jun 2011Dec 2011May 2014Oct 2017
94 complaints filed with NHTSA from Mar 2007 to Dec 2019; peak May 2011 (13).

Fuel System recalls for the 2005 Chevrolet Trailblazer Ext 370

No safety recalls on record for this model year.

Fuel System complaints by Trailblazer Ext 370 model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 200594 (40%)
  2. 20063 (19%)

Frequently asked questions

Does the 2005 Chevrolet Trailblazer Ext 370 have fuel system problems?
NHTSA has 94 owner complaints about the fuel system in the 2005 Chevrolet Trailblazer Ext 370, 40% of all complaints for this model year, including 1 that report a crash. Median mileage at failure is 69,000 miles.
Which Chevrolet Trailblazer Ext 370 year has the most fuel system complaints?
The 2005 Chevrolet Trailblazer Ext 370 has the most fuel system complaints (94), compared with 94 for the 2005.
Is there a fuel system recall for the 2005 Chevrolet Trailblazer Ext 370?
No NHTSA recall campaign for the 2005 Chevrolet Trailblazer Ext 370 is classified under fuel system. Complaints alone do not trigger a recall; check the full recall list and your VIN.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.