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Catalytic Converter Failure

CarComplaints.com Seal Of Avoid Like The Plague

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.

8.7

pretty bad
Typical Repair Cost:
$370
Average Mileage:
100,700 miles
Total Complaints:
3 complaints

Most Common Solutions:

  1. replace (3 reports)
2005 Chevrolet Trailblazer exhaust system problems

exhaust system problem

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2005 Chevrolet Trailblazer Owner Comments

problem #3

Jul 282011

Trailblazer 6 cyl

  • Automatic transmission
  • 158,000 miles

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

My converter went out and I also heard this is a problem with all trailblazers. I think it needs to be a recall.

- ripprecords, Memphis, TN, US

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problem #2

Jan 012011

Trailblazer LS I6

  • Automatic transmission
  • 85,000 miles

Trailblazer lost gradually lost all power and mileage went to 10 mpg.

Found it to be clogged catalytic converter. When I removed it the core was completely blocked. I have no idea how it even ran.

- Bart M., Baden, PA, US

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problem #1

Dec 152009

Trailblazer LS Straight 6

  • Automatic transmission
  • 59,000 miles

My trailblazer had only 59000 miles on it and we were on our way back from our family reunion and our trailblazer lost all power and would not accelerate at all. As an immediate fix I just happened to have my cordless drill in the car. I drilled 3 1/4 inch holes in the front lobe of the cat/conv. and we were able to continue. Upon further investigation I found out that it would cost me over $750.00 to replace the converter. This is a very upsetting and infuriating situation.

- Robert T., Lexington, OH, US

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