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CarComplaints.com Notes: Carrying the not-so-proud traditions of its 2002 predecessor, the 2003 has a handful of instrument panel malfunctions that can leave you guessing your speed, engine temperature or how much gas is left in the tank.

6.4

fairly significant
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
11,032 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2003 Chevrolet Trailblazer engine problems

engine problem

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2003 Chevrolet Trailblazer Owner Comments

problem #3

Jan 092004

Trailblazer 4WD 6-cyl

  • Automatic transmission
  • 23,193 miles

A D V E R T I S E M E N T S

The accelerator pedal position sensor failed causing loss of power to the vehicle. The vehicle would only accelerate to 10mph and almost caused an accident. I also had/have numerous other problems with the vehicle.

- Portage, MI, USA

problem #2

Aug 252003

Trailblazer 4WD 6-cyl

  • Automatic transmission
  • 3,917 miles
2003, Chevrolet Trailblazer. 4 speed automatic trans. 4 wheel drive. Standard length chasis. 6 cylinder engine. Problem experienced; upon acceleration onto the interstate highway, the engine lost power for appx. 5 seconds. The accelerator pedal remained depressed, the engine resumed acceleration after the time specified. Created much fear, since interstate traffic speed limit is 70 mph, and cars on the intersate came up onto the bumper very quickly. This is the only occurence to date. Also, gasoline filler neck too narrow, or vent hose constricted? frequent reflux of gasoline during the process of filling. Takes a considerable amount of time to "top the tank". so much time that, I have yet to been able to "top" the tank. Problem occurs at every pump, not indigenous to the gas pump, appears inherent to the vehicle.

- Springfield, MO, USA

problem #1

Jul 202003

Trailblazer 4WD 6-cyl

  • Automatic transmission
  • 5,985 miles
When depressing accelerator pedal to move forward the vehicle hesitates and loses power regardless of surface level, inclined or declined.

- Whitman, MA, USA

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