2003 Chevrolet Trailblazer engine problems
The 2003 Chevrolet Trailblazer has 81 engine complaints filed with NHTSA — 7% of the year's total, and down from the prior model year.
81
Engine complaints
7%
Share of year
2
Crash-involved
0
Related recalls
Engine complaints by year
What owners report
“TL*THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER. WHILE DRIVING 60 MPH, THE TRANSMISSION SLIPPED AND WOULD NOT SHIFT GEARS. THE CONTACT NOTICED BLUISH-COLORED SMOKE COMING FROM UNDER THE VEHICLE. THERE WERE NO WARNING INDICATORS PRESENT. THE VEHICLE WAS TAKEN TO THE REPAIR SHOP AND THE MECHANIC…”
Common questions
How many engine complaints does the 2003 Chevrolet Trailblazer have?
NHTSA has 81 complaints about the 2003 Chevrolet Trailblazer engine — 7% 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.