2006 Hummer H3 Repair & Maintenance Costs

A guide to repairs, service, and maintenance costs for your 2006 Hummer H3
We don’t currently have enough data on the 2006 Hummer H3 to give you an accurate yearly maintenance cost. For details on the 2006 Hummer H3, click here.
2006 Hummer H3
2006 Hummer H3

Most Common 2006 Hummer H3 Problems

2006 Hummer H3 vehicles have 8 reported problems.The most commonly reported 2006 Hummer H3 problem is: Worn Valve Seats May Cause Engine Misfire
2006 Hummer H3
The engine may develop a misfire due to worn valve seats. this fault will cause the check engine light to illuminate....
2006 Hummer H3
A loose or worn gas cap may cause check engine light to illuminate.

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Most Common 2006 Hummer H3 Questions

There are 146 related questions for 2006 Hummer H3 vehicles. RepairPal's professional community answers hundreds of questions each day. Below are the most commonly asked 2006 Hummer H3 questions.
2006 Hummer H3
What size fuse for # 13radio/heater, and is there a list of fuse sizes to go with the diagram?
2006 Hummer H3
My gas gauge seems to be reading full tank when in actuality it is not what is the problem