2003 Chevrolet Trailblazer Ext fuel system problems
The 2003 Chevrolet Trailblazer Ext has 96 fuel system complaints filed with NHTSA — 24% of the year's total, and up sharply from the prior model year.
96
Fuel System complaints
24%
Share of year
0
Crash-involved
0
Related recalls
Fuel System complaints by year
What owners report
“2003 TRAILBLAZER EXT, BEGAN TO HAVE STRONG ODOR OF GASOLINE AFTER OPERATION. NO SIGNS OF VISIBLE GAS NOTED UNDER VEHICLE. PROBLEM PERSISTED, (APPROX 1 MONTH) AND GASOLINE BECAME OBVIOUS IN LIQUID FORM DRIPPING FROM BOTTOM OF TANK AND FRAMING OF VEHICLE. VEHICLE TAKEN TO LOCAL MECHANIC AND…”
Common questions
How many fuel system complaints does the 2003 Chevrolet Trailblazer Ext have?
NHTSA has 96 complaints about the 2003 Chevrolet Trailblazer Ext fuel system — 24% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.