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.


really awful
Typical Repair Cost:
Average Mileage:
82,128 miles
Total Complaints:
2 complaints

Most Common Solutions:

  1. replace fuel pump (2 reports)
2005 Chevrolet Trailblazer fuel system problems

fuel system problem

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2005 Chevrolet Trailblazer Owner Comments

problem #2

Dec 252012

Trailblazer V8

  • Automatic transmission
  • 75,000 miles


Ever since we got this damn truck there has not been a year that it has not had a problem. From transmission needed work, to brakes to fuel pump. The Fuel pump has been a problem more then one time now. Sometimes it doesn't even want to start and it doesn't even mark somethings wrong with it.

- , Santa Rosa, CA, USA

problem #1

Oct 312010

Trailblazer LT 4.2

  • Automatic transmission
  • 89,256 miles

Dead--------------------------------75 miles from home------------------------------tow truck-----------------------no cell service------------------------------getting dark--------------------------------$250.00--------------------------No patience anymore------------------looking for salvage yard----------------------------------------------------money pit with payments two or three time a month!!!!--------------------------------------------------------#%7$#$^^%&R^*Fps--------------------------????????????

- , Wellsboro, PA, USA

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