Hummer H3 Problem Reports

Most Reported Hummer H3 Problem Reports

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A Loose or worn gas cap may cause Check Engine Light to illuminate.

The engine may develop a misfire due to worn valve seats. This fault will cause the Check Engine Light to illuminate. Replacement of the cylinder head may be required to correct this concern.

The fuel level sensor in the fuel tank may fail causing erratic fuel gauge operation. Our technicians tell us that on high mileage vehicles you may wish to replace the complete fuel pump module assembly if this condition occurs.

I was in Death Valley, CA off roading. Nothing too major. The second day we were traveling down a gravel road when BANG! The side airbags on both sides of the car deployed. I have it in the shop right now and awaiting response.

I don't have a leak and antifreeze goes low fast