Hummer H3
exhaust system Problems
We don't have a lot of Hummer H3 exhaust system problems on file — feel free to add yours here. The most common H3 exhaust system problems occur at 15,000 miles.
Worst Hummer H3 Exhaust System Problems
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#1: Tailpipe Stays Smutty 2006 H3
- Average Cost to Fix:
- N/A
- Average Mileage:
- 15,000 mi
We're actively collecting data on the worst exhaust system problems for the Hummer H3.
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