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Hummer Problems

Find the most common issues based on car owner complaints

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Most Common Hummer Problems

The engine may develop a misfire due to worn valve seats.
One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery.
A Loose or worn gas cap may cause Check Engine Light to illuminate.
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3 Known Hummer Brake Problems

2 Known Hummer Drive Train Problems

3 Known Hummer Electrical & Lights Problems

9 Known Hummer Engine Problems

4 Known Hummer Exhaust & Emissions Problems

3 Known Hummer Heating & Air Conditioning Problems

4 Known Hummer Maintenance Problems

2 Known Hummer Miscellaneous Problems

1 Known Hummer Suspension & Steering Problem

31 Known Hummer Problems

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