Having problems with your 2003 Hummer H2 ?

Reduced engine power, warning displayed in panel. No acceleration Hummer H2 ,2003- 4.3 vortex. Tried disconnecting battery to reset, failed.

Posted / edited by AnonymousUser on : 17-06-2019

Answers :

Needs to be put on computer to read codes to see whats going on.Could be one of many things going on there.
Repair Help & Product Troubleshooting for 2003 Hummer H2

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