Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety. 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.


hardly worth mentioning
Crashes / Fires:
0 / 1
Injuries / Deaths:
0 / 0
Average Mileage:
62,000 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 fuel system problems

fuel system problem

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2005 Chevrolet Trailblazer Owner Comments

problem #3

Apr 102008


  • 60,000 miles


The contact owns a 2005 Chevrolet trail Blazer. The contact stated that the fuel level gauge indicated that there was one quarter gasoline in the fuel tank yet the vehicle stalled due to there being no fuel in the vehicle. The dealer advised that the fuel sensor and fuel pump would need replacing. The dealer did not perform a diagnostic but advised that the failure was common and was aware of exactly what would remedy the failure. The VIN was not available. The failure mileage was 60,000 and the current mileage 80,000.

- Royal Oak, MI, USA

problem #2

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 #1

Jan 022009


  • 50,000 miles
The contact owns a 2005 Chevrolet Trailblazer. The contact stated that the fuel pump in the tank became hot enough to deteriorate the insulation on the wires. As a result, the fuel gate unit malfunctioned. The manufacturer stated that they would repair the failure at $350, which is half of the price they are charging. The failure and current mileages were 50,000.

- Mountenterprise, TX, USA

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