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.


really awful
Crashes / Fires:
3 / 6
Injuries / Deaths:
1 / 11
Average Mileage:
53,890 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.

2006 Chevrolet Trailblazer fuel system problems

fuel system problem

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2006 Chevrolet Trailblazer Owner Comments (Page 3 of 22)

« Read the previous 20 complaints

problem #395

Sep 012011

Trailblazer 4WD 6-cyl

  • 40,000 miles


After refueling vehicle, gas gauge goes to E, with low fuel warning light/buzzer going off. After travelling 30-40 miles, gas gauge goes to normal. Afterwards, gauge is erratic, and you have no idea how much fuel you really have left, without knowing your fuel mileage and how many miles you have driven on a tank of gas so far. Now gauge will go E, even with 1/4 tank of gas remaining.

- Gettysburg, PA, USA

problem #394

Jan 172012


  • 55,550 miles
Last night on 01/17/12 I filled my truck with gas and when I restarted the vehicle it started dinging at me and the gas gauge was stuck on empty. This morning I started the truck and drove to work and the fuel gauge kept moving and reading differnt amounts. I placed a call to GM and they are fully aware of the problem but say it's not a safety concern so no recall was issued and that I would have to pay for half of the repair that could only be done thru an authorized dealer. Something is seriously wrong, this is a huge safety concern for me not to know if I have fuel and I have to pay GM more money when they are fully aware that they used faulty equipment.

- Ofallon, MO, USA

problem #393

Jul 192011


  • 121,000 miles
Truck ran out of gas on a highway exit ramp this has happen at least 10 times since the fuel gauge read random levels when I know that there is either more or less gas than its reading it tends to vary between empty and gas light on to 1/2 full no matter how much gas is in it.we have to calculate mileage in order to ensure we do not run out.the gauge works maybe 1%of the time.

- El Paso , TX, USA

problem #392

Dec 222011


  • miles


Gas gauge does not operate has a reuslt of defective fuel pump

- Chandler , AZ, USA

problem #391

Dec 132011


  • 52,145 miles
Ran out of gas, because the fuel gauge does not work properly.

- Albuquerque, NM, USA

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problem #390

Jan 032012

Trailblazer 6-cyl

  • 48,995 miles
The fuel gauge was giving false reading saying empty when it was not or full when it was empty and sometimes in between. This cause the engine to stall when driving on a public road making it very hard to pull over and stop because the power steering and power brakes quit working. I have searched on this issue and it is a huge problem with Trailblazers.

- Lost Creek, WV, USA

problem #389

Nov 102010


  • 85,000 miles


Fuel gauge became inoperable. Does not indicate proper fuel level. Subsequently failed state safety inspection.

- Burlington, NJ, USA

problem #388

Oct 032011

Trailblazer 6-cyl

  • 77,000 miles
The gas gauge on the vehicle has stopped working. I called GM and they state that there is no recall even though this a common problem on this vehicle line. GM needs to do a full recall and not only offer to pay for half of the repairs to the vehicle for this issue.

- Lockport, NY, USA

problem #387

Nov 152011

Trailblazer 6-cyl

  • 76,000 miles
NHTSA action number: DP10001 fuel gauge not working properly. Gauge will show empty when vehicle is full; gauge will show full when the vehicle is empty. The gauge indicator started fluxing between full, empty and levels in between. Now it typically stays at empty all the time regardless of the amount of fuel.

- Antioch, TN, USA

problem #386

Aug 012011

Trailblazer 6-cyl

  • 41,000 miles
The gas gauge on my 2006 Chevrolet Trailblazer began to show an empty tank when I filled up, after driving about 50 miles the gauge would properly show the amount of gas I had in the tank until the next fill up. The problem has gotten worse and I have read that other Trailblazer owners are having the same problem. The defect seems to be common, expensive to repair, and should be the responsibility of Chevrolet.

- Astoria , NY, USA

problem #385

Oct 012008

Trailblazer 6-cyl

  • 50,000 miles


Purchased vehicle on 09-08, with roughly 45000, check engine light comes on and off, after several months of going back and forth at Chevy dealer they determined it was a faulty cylinder head on the number four cylinder. Filed bbc complaint and spoke with Chevy who refused to do anything. Couple months later and approx mileage 60000, the fuel gauge no longer works causing me to run out of gas a couple different times. About the same time, the stability control system dash lights would intermittently come on and off. I have not contacted Chevy about the other two issues as I felt they would not do anything the same as the head problem.

- St Charles , MO, USA

problem #384

Dec 212011

Trailblazer 6-cyl

  • miles
The fuel tank flange on the filler line into fuel tank leaks and is defective at manufacturing it is a plastic flange that has broke allowing fuel to leak out of fuel tank. It is at Chevy dealer in kissimmee Florida and I have photo's of flange and area that has been leaking. I have call Chevy and they are reviewing the case but I want an investigation due to the safety of fuel leaks near hot exhaust pipes. We have 2 Trailblazer in our family and both have leaks from the same flange. Case number [xxx] for the 2006 model and [xxx] for the 2004 model. Information redacted pursuant to the Freedom Of Information Act (FOIA), 5 U.S.C. 552(B)(6).

- Orlando, FL, USA

problem #383

Dec 072011

Trailblazer 6-cyl

  • miles
Filled up the vehicle at the gas station and when vehicle was restarted fuel gauge was reading empty. Fuel gauge has since not functioned properly.

- Voorhees, NJ, USA

problem #382

Nov 182010


  • 89,000 miles
Fuel usually reads empty. Even after fill up. Sometimes wanders from 1/4 to 1/2 then drops again. Engine light comes on after fueling up, will go out after an hr of driving.. give or take. Knowing that this many people all are having the same issues, GM should stand behind their product, step up and look after it!!!! running out of gas is not only dangerous...but does not make for happy customers or repeat business.

- Huntsville, On Canada, MI, USA

problem #381

Feb 042010


  • 75,000 miles
Fuel gauge stopped working after fill up and now reads empty at all times.

- Murfreesboro, TN, USA

problem #380

Nov 062011

Trailblazer 6-cyl

  • miles
Gas gauge reads empty even after vehicle has been filled up. This problem has occurred for a year. Have ran out of gas on the freeway on 4 occasions.

- Hayward, CA, USA

problem #379

Dec 042011

Trailblazer 6-cyl

  • 58,460 miles
Got full tank of gas. Fuel gauge drops to empty. Appears to fix self then drops to empty more. Fuel gauge completely unreliable. Have to use trip meter now to judge gas level. Dangerous if I run out of gas in heavy traffic.

- Michigan City, IN, USA

problem #378

Nov 022011

Trailblazer 6-cyl

  • 85,125 miles
Driving down the road at 65 mph fuel gauge drops from 3/8 full to zero. Other gauges such as oil pressure, coolant temperatures also drops to zero. Also several warning lights such as check engine and anti lock break turn on. I stopped the car shut off the engine and it would not start again. After adding 2 gallons of gas it started again but when I took it to gas station I could only add about 11 gallons into a 24 gallon tank. So I believe the reading at 3/8 full was correct before it went to zero. The same situation occurred again when we had 3/4 tank full, this time our family was stranded out of town.

- Wisconsin Rapids, WI, USA

problem #377

Nov 172011


  • 97,899 miles
Fuel gauge inoperable, fuel gauge indicates empty at all times. Even after a fill-up of the gas tank.

- Lynchburg, VA, USA

problem #376

Sep 052011

Trailblazer 6-cyl

  • miles
Chevrolet should be made to pay full price for the repair of the fuel sensor. Why should I have to pay half for replacing a faulty product. I purchased the vehicle for it to run perfectly. Since the problem we have twice been stuck on the road with no gas. Trying to estimate fuel consumption for our next fill up is ridiculous. I have heard of drivers running out of gas on the highway, a very dangerous situation.

- Mechanicsville, VA, USA

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