I have a Hummer H3 2006. I engine light is on I put in a new thermostat it was fine for a few days but now the light is back on. Do you have any idea what it could be.

Asked by Jul 02, 2016 at 04:36 AM about the 2006 Hummer H3 4dr SUV 4WD

Question type: Maintenance & Repair

1 Answer

11,055

Check engine light? scan it for DTC codes.

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