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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.

2.0

hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
79,000 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.

2006 Chevrolet Trailblazer accessories - interior problems

accessories - interior problem

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2006 Chevrolet Trailblazer Owner Comments

problem #3

Jun 012011

Trailblazer

  • 85,000 miles

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

First - relay resistor module for manual heating/HVAC. Certain blower settings do not work in 2006 Trailblazer. This same problem is a recall for 2004 Chevy Silverado. Will this be a recall for the Trailblazer as well" second - gas gauge have failed and does not work. I know of 3 others that have the same problem, is there a recall on this"

- Wilmot, OH, USA

problem #2

May 102011

Trailblazer 4WD 6-cyl

  • 100,000 miles
Faulty fuel gauge / fuel sending unit / fuel reading / fuel pump. I have had to have my fuel pump replaced three times now due to faulty fuel sending units. This is a major problem because my truck now shows that I am always on empty and can be a huge hazard and life endangerment. I don't want to be going down a highway at 70 mph and have my truck stall. I have replaced this unit twice already and I am now with a faulty one again. All original manufacturer equipment. No after market replacements. It seems that new manufacturer units will work for about 10,000 - 30,000 miles and then fail. This is an issue that I have seen reported hundreds of times by GM owners of Trailblazers and similar makes. My problem is with a 2006 Chevy Trailblazer V6 ls model with 126,000 miles.

- Minneapolis, MN, USA

problem #1

Nov 122008

Trailblazer

  • 52,000 miles
Acs/ service stabilitrak light comes on while driving and to get it to go off I have to stop and turn the vehicle off and back on again. Also fuel gauge goes from full to empty even on a full tank of gas. When I turn my heat on it will only work on numbers 1-4. number 5 is completely out. Also there's a squeak in my brakes that I cant get to go away. I replaced the rotors and brakes and had 2 new front wheel speed sensors put on because I was told that was what was causing the service stabilitrak light to come on. But that didn't fix my problem either. I have been told that because I bought my vehicle used and it had miles on it when purchased that nothing is covered under a warranty.

- Gilbert, WV, USA

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