8.0

pretty bad
Typical Repair Cost:
No data
Average Mileage:
180,000 miles
Total Complaints:
2 complaints

Most common solutions:

  1. not sure (2 reports)
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problem #2

Feb 012018

Trailblazer

  • Automatic transmission
  • 100,000 miles

wanting to know if the head is bad or the gaskets out, plus it blows oil out on top of motor

- Kevin T., Dubuque, IA, US

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problem #1

Nov 202011

Trailblazer LTZ 4.2L Straight6

  • Automatic transmission
  • 260,000 miles

I suspect this is the ecm going bad as I just replaced all the sparkplugs.

- arcane, Morrison, CO, US

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