7.4

pretty bad
Typical Repair Cost:
$3,600
Average Mileage:
78,950 miles
Total Complaints:
7 complaints

Most common solutions:

  1. not sure (6 reports)
  2. powder metal value guides needed replacement (1 reports)
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problem #7

Mar 112017

Trailblazer LS 4.2L /V6

  • Automatic transmission
  • 122,000 miles

click to see larger images

engine light on

The check engine light came on a week after purchasing the SUV, I got a print from advance auto, auto zone, they said about the same thing , the auto exchange the place where my wife, I bought the SUV would not fix the problem

- Tracey S., St Cloud, US

problem #6

Mar 032013

Trailblazer LS V6

  • Automatic transmission
  • 120,000 miles

Had electrical problem fixed, light is still on. Beginning to wonder is something else wrong. Getting very tired of running back an forth to dealership

- Kim W., Texarkana, AR, US

problem #5

Jul 062010

Trailblazer

  • Automatic transmission
  • 86,200 miles

I had the vehicle put on a diagnositic machine and paid $250.00 and was advised that it was exhaust problem. I had that fixed and the check engine light was out for approximately 2 days and came right back on .

I have noticed that when I am on the brakes the lights dim and if the blower is on such as the heat or air conditioning it stops blowing .

This vehicle is such a pain in my a$$

- Paula P., Indianapolis, IN, US

problem #4

Mar 252009

Trailblazer LT 6 cyl

  • Automatic transmission
  • 32,000 miles

My mechanic mentioned that this problem was common with 2006 and later models. The short block overhaul and welding was after the 3 year warranty expired.

- Lawson T., Honolulu, HI, US

problem #3

Dec 012009

Trailblazer LS

  • Automatic transmission
  • 30,000 miles

My check engine light came on as well as my gas cap light, the car was running fine. I took it to the shop and it was placed on the machine, was told I needed a new gas cap. That was replaced and the gas cap light comes on and off, the check engine light stays on. Took the car back and they suggested I pay another fee to put it back on the machine. I did, no problems showed up. They suggested I give it a few days to reset. The check engine light is still on!!!!! I HATE this car!

- myp, Hilton Head, SC, US

problem #2

Feb 022010

Trailblazer LS 4.2L

  • Automatic transmission
  • 100,001 miles

the engine light is staying on and i've had alot more problems, chevrolet needs to buy back

- Francisco C., San Jose, CA, US

problem #1

Feb 112009

Trailblazer V6

  • Automatic transmission
  • 62,252 miles

since i brought this suv the engine light stayed on. i changed the alternator,and the a/c compressor and the light is still on. i am afraid it could be electrical problem

- Osvaldo P., New Haven, CT, US