Print this page Notes: The 2002-2007 Chevrolet Trailblazer is known for many things, but perhaps it is most famous for its faulty fuel gauge.

This gauge flip-flops more than a politician during election season. Some report that the gauge says "empty" after a fill-up, while others report the gauge says "full" when they're running on fumes. Either way, there's one thing everyone seems to agree on: the darn thing is just wrong.

Following hundreds of complaints and a few accidents allegedly caused by the malfunction, the National Highway Traffic Safety Administration (NHTSA) opened an investigation into the issue in May 2011. Unfortunately for frustrated owners, no recall has been announced.


definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
33,702 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.

2005 Chevrolet Trailblazer electrical problems

electrical problem

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2005 Chevrolet Trailblazer Owner Comments

problem #3

Sep 122008

Trailblazer 6-cyl

  • Automatic transmission
  • 76,000 miles


The contact owns a 2005 Chevrolet Trailblazer. The contact stated that the ignition switch failed in his vehicle and was replaced by the dealer. The resistance pig tail (wiring harness), the fuel pump module, and the clutch also failed; however, the dealer stated that the contact must pay for the repairs. The dealer stated that there were no recalls for the vehicle and it cannot be repaired for free. The failure mileage was 76,000. 4/01/09 the water pump, pulley and serpentine belt was replaced. Updated 04/09/09.

- Centreville, IL, USA

problem #2

Aug 192006

Trailblazer 4WD 6-cyl

  • Automatic transmission
  • 22,600 miles
I bought an 05 Trailblazer ext I have had it 9 months, I went to start it and it would not turn over nothing, it was also stuck in the park position, dealership said I had a bad battery, I had it checked through auto zone was fine, had it towed the tow truck driver got it out of park and was able to start it. The dealership proceeded to say it was the battery so they changed it. I picked it up brought it home and parked in the driveway like before. The next morning it would not start again had it towed to the dealership with it stuck in park again, they now have said that the ignition switch was bad, which would cause it not to start and be stuck in park, so I guess we will see if it is fixed or if it will go back for the third time in one week.

- N. Las Vegas, NV, USA

problem #1

Dec 162004

Trailblazer 6-cyl

  • Automatic transmission
  • 2,506 miles
For no reason the vehicle shuts down. The vehicle has been taken to the dealer four times for this problem.

- Lavergne, TN, USA

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