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CarComplaints.com 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.

10.0

really awful
Crashes / Fires:
3 / 6
Injuries / Deaths:
1 / 11
Average Mileage:
53,851 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 13 of 22)

« Read the previous 20 complaints

problem #194

Feb 112011

Trailblazer

  • 41,000 miles

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

As with the thousands of other Trailblazer, Envoy and 9-7X owners my fuel level sensor quit working. It shows empty all the time and the check engine light remains on. I am a disabled american with very little income from disability and can not afford the $600+ a garage charges to repair the problem. This is a very common problem with 2005-2008 GM SUV's and certainly should have been a recall by now as this problems has affected tens of thousands of Trailblazer owners. This is a safety problem as the gauge will fail with no warning and can create serious hazards when a vehicle will run out of gas.

- Parma, OH, USA

problem #193

Feb 112011

Trailblazer

  • 40,000 miles
In August, 2009, I filled my gas tank in my 2006 Chevy Trailblazer and when I got into the car, the gas gauge read empty. When I restarted the car, the fuel gauge read empty and the check engine light would turn on. I found several complaints online about the same issue, and began using the tripometer to measure the mileage, refueling at approximately 250-300 miles. Unfortunately, in August, 2010, while driving on a major freeway, the car ran out of gas and I barely avoided being hit from behind. I was able to coast to the side of the road, and was helped by a friend who happened to spot me in trouble. Friday, February 11, 2011: It appears that now my fuel pump has gone bad and I am unable to move fuel to the engine. The car turns over but there isn't fuel moving through the lines to keep the engine running. There are multiple complaints about the fuel sensor online about the GM models from 2004-2007. (513 as of today) GM needs to provide a recall on all vehicles with this issue, instead of charging it's customers $800+ to drop the gas tank and replace parts that they are well aware are defective.

- Redford, MI, USA

problem #192

Dec 022010

Trailblazer

  • 86,000 miles
Fuel gauge started moving erratically from full to empty until one day stopped moving and now sits on empty

- Derry, NH, USA

problem #191

Sep 152010

Trailblazer 4WD 6-cyl

  • 50,000 miles

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

I own a 2006 Chevy Trailblazer and the gas gauge has stopped working. I was told the sensor is bad. It should be a valid recall. If you google it you can see how many people are having the same problem. I am going to watch the mileage for now and do fill ups as needed by mileage. I am not in a position to put out that kind of money for a well recognized problem. I have always bought Ford, thought I'd try Chevy, bad choice. I already also had to replace parts in the heater that want out in the middle of winter.

- Menominee, MI, USA

problem #190

Nov 212009

Trailblazer

  • 69,500 miles
The fuel light stays on empty even when the car is full. You can never know how much gas is in the car. The check engine light comes on. It goes off when the car is full for about one day, then comes back on again until you fill the car up again. There is a problem with the sensor and it costs approximately $800 to have it repaired. This is a problem in Chevy Trailblazers as everyone that I have spoken with that has a Trailblazer has this problem. I even know a couple that has a 1999 Trailblazer with the same problem. The dealer refuses to fix the problem because there has not been a recall.

- Riverdale, IL, USA

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problem #189

Dec 202010

Trailblazer 4WD 6-cyl

  • 60,000 miles
2006 Chevy Trailblazer lt - 63,000 miles. Fuel gauge goes to empty upon filling tank up. Check engine light comes on. After about 30 miles, fuel gauge returns to normal operation and check engine light goes off. Same cycle upon next fill up.

- Leechburg, PA, USA

problem #188

Aug 102009

Trailblazer

  • miles

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

Fuel / gas gauge reading inaccurate. Usually shows as empty... but constantly moves from full to empty.

- Decatur, GA, USA

problem #187

Nov 302010

Trailblazer

  • 99,566 miles
Fuel gauge has been inaccurate since we bought it used in 2007. It would go from 1/4 tank to out of gas in less than 15 miles. Ran out of gas 3 times, twice when the low fuel light was not even on. Once stranded in the middle of traffic while making a left turn on a snow covered road, very dangerous. This incident report is for recent problem: After filling the tank completely with gas, the fuel light came on. Even after turning it on and off, light stayed on. Then the gauge fluctuated from empty to full back to empty while driving. Fuel gauge is now works sporadically but never sure if it is correct. I need to track mileage between fill-ups to ensure there is gas in the tank. Since we have multiple drivers in the family, this is a nerve-racking system.

- Santa Fe, NM, USA

problem #186

Jan 292011

Trailblazer

  • 57,000 miles
2006 Chevrolet Trailblazer fuel gauge not working. I understand numerous people have this same problem. Safety issue because car may not work properly if gas not flowing properly.

- Cinnaminson, NJ, USA

problem #185

Jul 102010

Trailblazer

  • 62,000 miles
The contact owns a 2006 Chevrolet Trailblazer. The contact stated that the fuel gauge would read empty after dispensing fuel of any fuel level into the fuel tank. The vehicle was taken to an authorized dealer where they informed the contact that the fuel assembly would require replacement. The vehicle was taken to an independent mechanic for a second opinion and they also advised the contact that the defective fuel assembly would need replacing. The vehicle was not repaired. The VIN was unavailable. The failure mileage was approximately 62,000.

- Oak Park , MI, USA

problem #184

Mar 012010

Trailblazer

  • miles

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

Just like others my 2006 Trailblazers fuel gauge reads empty at all times. I am told it is the fuel level indicator and will cost about $450 to fix. There should be a recall on this!

- Neenah, WI, USA

problem #183

Jul 102010

Trailblazer

  • 65,000 miles
The contact owns a 2006 Chevrolet Trailblazer. The contact stated that the fuel gauge would not register an accurate reading after fuel was dispensed into the fuel tank to the full capacity level. A trip meter was used to monitor the distance traveled after refueling. The vehicle was unable to pass the state inspection due to the failure. The dealer was notified and they informed that the fuel sensor would need to be replaced. The vehicle was neither diagnosed nor repaired. The failure mileage was approximately 65,000. Updated 02/11/11

- Nashville, TN, USA

problem #182

Oct 012010

Trailblazer

  • 46,000 miles
The contact owns a 2006 Chevrolet Trailblazer. The contact stated that the fuel level gauge had become inoperable and was reading inaccurately, despite the amount of fuel that was in the vehicle. The vehicle was not taken to the dealer for repairs or diagnosis. The current mileage was approximately 51,000 and the failure mileage was approximately 46,000. The VIN was unavailable.

- Stoneham, MA, USA

problem #181

Sep 042010

Trailblazer

  • 60,000 miles
In September 2010 I started having problems with my 2006 Chevy Trailblazer with the windshield wipers going all of the time. The only way I can get them to shut off or turn them back on is to take the fuse out. This is so inconvient because the fuse box is located in the backseat on the passengers side. I have to lift the seat up and remove two boxes and put in the fuse and to remove it I have to use pliers to get it out.... also my low fuel light stays on even when I have a full tank of gas so I am constantly at the gas station getting gas so that I am aways sure to have gas in my vehicle. The dealership wants to put the vehicle on diagnostic for $99 which does not go towards the cost of repairs which I can not afford because I am unemployed.. I have taken the vehicle back to the dealership I purchased it from and they indicate that it is no longer under warranty and there is nothing they can do but repair it and maybe give me 10% off of my repairs since I purchased it from them...... I see where U have many complaints on this same year and make and model.. do U have any suggestions on what can be done on this?

- Indianapolis, IN, USA

problem #180

Nov 152010

Trailblazer

  • 80,000 miles
At around 80,000 miles my 2006 cheverolet Trailblazer started showing empty when I filled up with gas. Now at about 85,000 miles it continually shows empty. Have researched and found out that I will have to replace the whole fuel pump/intake and outtake which could cost around $800 at the dealership. Have also found out that this is a common problem with the later model Trailblazers. Needs a recall!!

- Sapulpa, OK, USA

problem #179

Dec 152010

Trailblazer

  • 68,000 miles
The contact owns a 2006 Chevrolet Trailblazer. The fuel sensor gauge failed. Whenever fuel was added to the vehicle the fuel gauge displayed empty causing the warning light to illuminate. The warning light indicated that the sensors were defective. The vehicle was not taken to the dealer. The manufacturer was not contacted. The failure mileage was 68,000.

- Big Ben, WI, USA

problem #178

Dec 282010

Trailblazer 6-cyl

  • 47,832 miles
2006 Chevy Trailblazer fuel gauge malfunction - indicator reads 0 or fluctuates when tank is full per internet research - common failure that should not occur in late model vehicle with < 50,000 miles safety hazard for someone that might run out of fuel due to inaccurate fuel level reading.

- Brooklyn Park, MN, USA

problem #177

Aug 102010

Trailblazer 6-cyl

  • 17,000 miles
I ran out of gas even though my car gas gauge said it had gas. When I went to put gas in car I filled it up and my gas gauge said it was empty even though it is full... my car on had 17,000 miles on it when it began having this problem gas gauge doesn't work took it to a mechanic and was told it was the sending unit and I know many people with 06 Chevy's having the same problem.

- Fresno, CA, USA

problem #176

Dec 122010

Trailblazer 6-cyl

  • 96,000 miles
I have an 06 Chevy Trailblazer that the fuel gauge is not reading right. I have been told that I will need a new fuel sensor but to get that I will have to replace the whole fuel pump. I have done some resource online and have seen that alot of people are having the same problem. We all seem to feel that GM should do a recall for this part.

- Dayton, OH, USA

problem #175

Dec 072010

Trailblazer 4WD 6-cyl

  • 73,000 miles
Filled my gas tank on my 2006 Chevrolet Trailblazer ls 4WD. Just after fill up fuel gauge now registers dead empty. Searched the internet for the problem, seems like alot of people are having the same problem (fuel sensor??). my vehicle has 73,000 approx miles. I read hundreds of posts with the same exact problem. Why is there no recall"??"!!!!

- Saint Paul, MN, USA

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