Hummer H3  problems

Hummer H3

engine Problems

Here are Hummer H3 engine problems, by model year. The most common H3 engine problems cost $3,000 to fix & occur at 83,000 miles.

The worst model years for engine problems are the 2006 H3, 2007 H3, and the 2008 H3.

Click on the graph bars for more details about engine problems for a specific model year.

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Worst Hummer H3 Engine Problems

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