Hummer H2 Check Engine Light

Browse Hummer H2 Check Engine Light questions and answers. Choose a question that matches your symptoms.

8 discussions

Check Engine Light

2008 HUMMER H2

What Do The Following Codes Mean: 0030 053 134 135 300 422

3 ANSWERS

1 IMAGE

Asked by H2hummer12

2006 HUMMER H2

Engine Mechanical Problem 2006 Hummer H2 V8 All Wheel Drive Automatic 95.000 Miles Engine Light Came On Checked With Analyzer Found...

1 ANSWER

Asked by liotfan

2005 HUMMER H2

The Following Post Does Not Tell You What Specs The Code Reader Needs To Be Up To... Would Like One To Handle Any And All Computer Menu...

1 ANSWER

Asked by swr930

2003 HUMMER H2

The Check Engine Light Came On And I Took It To Auto Zone And Two Codes Came Up Po171 And Po174 System Too Lean (bank 1) What Does That Mean...

1 ANSWER

Asked by Anonymous

2003 HUMMER H2

I Have A Check Engine Light On In My 03 Hummer H2. When I Hook It Up To The Obd2 Scanner It Doesn't Read It. Is There Something Wrong With...

4 ANSWERS

Asked by Anonymous

2003 HUMMER H2

Just Looked At The Gauges And Noticed The Check Engine Light Was On. It's Ready For An Oil Change. I Reset The % Until I Can Change The Oil...

2 ANSWERS

Asked by semobeaglewing

2003 HUMMER H2

My Check Engine Light Keeps Coming On After I Drive Over 55mph. We Had It Into The Dealership And They Put It On Some Machine And All They...

1 ANSWER

Asked by dprice5588

2003 HUMMER H2

Check Engine Light Is On With A Code Po0455. Gas Cap Is In Good Shape With No Cracks And Passes Presure Test. The Code Says Major Leak In...

3 ANSWERS

Asked by ras607@bellsouth.net

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