Question about 2008 Hummer H3

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Car starts then when you put in reverese or Drive acks like it is going to die out and sometimes does? I have a 2008 Hummer H3 Just started doing this....

Hummer will start No problem, but more and more it will act or actually stall out when you put in drive or reverse. Crazy. Then you can shut off the key and it will start right up with no problems...

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 2009 Hummer h3 won't start

I can't get my hummer to start! put in a nwe battery and starter and it still will not crank!........ when I turn the key I get nothing.......

1 could it be the init.switch
2 or some other issue

Posted on Jan 30, 2009

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SOURCE: 2006 H3 Hummer AC/Heater Fan Motor

I brought my 2006 H3 in to the dealer for the same thing. My blower stopped working all together but it started as an intermittent problem. He said he had to replaced a diode or resistor either behind the switch on the dash that controls the fan or on the fan motor itself. Have not had a problem since but that was only about 4 months ago.

Posted on Apr 09, 2009

goofduck
  • 490 Answers

SOURCE: Hummer H3 rear lights staying on

if it is the brake lights that are on check the brake light switch on the brake pedal

Posted on Apr 21, 2009

  • 1 Answer

SOURCE: 2006 Hummer H3 fails to start periodically

If you look in the owner's manual it will explain this. Happened to me a bunch of times, really embarassing. It is an additional anti-theft device . If the computer senses that the key is inserted improperly, or that it is not a perfect match for the code it has in its memory for your key, it shuts of the gas supply to your engine for approx. 10 minutes to defer theft. Still happens to me intermittently. Now only very rarely. Total pain. I cleaned my key..carefully, with WD40 and after drying put just a touch of graphite on the key and started the beast a number of times. My dealer didn't read the manual either. You must wait the full ten minutes before trying to restart....otherwise it never totally resets and (the first time this happened to me) you can sit there and fight it forever.

I don't have my owner'smanual handy to refer you directly to the proper pages, but its in there under theft deterent. Hope this helps......and that Hummer can provide aneasy fix for this.

Posted on Jul 21, 2009

carputers
  • 255 Answers

SOURCE: 2008 Hummer H3 The trackion failed light on

clean abs sensors at each wheel.

Posted on Sep 08, 2009

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