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.


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
67,000 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.

2007 Chevrolet Trailblazer wheels / hubs problems

wheels / hubs problem

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2007 Chevrolet Trailblazer Owner Comments

problem #2

Dec 182013


  • 80,000 miles


The contact owns a 2007 Chevrolet Trailblazer. The contact stated that the fuel sensor gauge indicated that the fuel tank was half full when the vehicle shut off because the fuel tank was empty. The vehicle was taken to the dealer, who diagnosed that the fuel gauge sensor was faulty. The vehicle was not repaired. The contact also indicated that the tire air sensor indicated that air in the front drivers side tire was low but after inspecting the vehicle the contact discovered that air in the rear drivers side tire was low. The failure was not diagnosed nor was the vehicle repaired. The manufacturer was notified of the failure. The VIN was unavailable. The failure mileage was 80,000.

- Church Hill, TN, USA

problem #1

Nov 232009

Trailblazer 6-cyl

  • 54,000 miles
Chevy vehicles have had multiple problems with their TPMS (tire pressure monitoring system) on all vehicle types. The failure occurs at the wheel itself. Although this is a safety device, it has turned into a useless piece of equipment which no owner can afford to keep up with. What happens is that the pressure monitor system at the wheel is very sensitive and fails quickly. The amount of repair for one unit costs approximately $200, and that is for one wheel. Chevy should be doing a recall on all vehicles, that have the TPMS system. This problem is not unique to one vehicle, if you do a google search on TPMS and Chevy or GM you'll find that this is a common problem. After I had the first one replaced the dealer told me that I shouldn't bother because it will only fail again. The dealer also said that he wishes that Chevy would install a better system, because it will advise you that your TPMS is not working properly, and after it fails, drivers will ignore the message, which is a larger safety issue. I don't know how the dot would allow GM to continue to use faulty parts which is a safety related item. The consumer shouldn't have to pay for their mistakes, and hopefully a person doesn't lose their life before action by the dot. I hope to see a recall issued soon.

- St Augustine, FL, USA

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