4.0

definitely annoying
Typical Repair Cost:
$300
Average Mileage:
100,000 miles
Total Complaints:
1 complaints

Most common solutions:

  1. replace sensor (1 reports)
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problem #1

Oct 052011

Trailblazer EXT LS 4.3L V6

  • Automatic transmission
  • 100,000 miles

Bad oxygen sensor triggers service engine light. Common issue with this vehicle.

- cjohnson419, Saginaw, MI, US

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