Problems with my H3 2008 starting

Asked by Apr 28, 2010 at 05:14 PM about the 2008 Hummer H3

Question type: Maintenance & Repair

It will try to start but its is as if its not getting any gas, so then I turn it off wait a minute and start it again an this time it will start but somtimes reves it engine very loud

6 Answers

50

I am having the same problem with my H3 2006 model. But I wait 30 seconds instead of the 1 minute you described. No mechanic is able to solve this problem so far. Any help from fellow board members? Thanks,

3 of 3 people found this helpful.
4,715

change the fuel pressure pump on ur hummer. http://hummer-h3.org/2006-photos/

6 of 6 people found this helpful.
50

Thanks. The problem was fixed last month. It was actually the engine oil PUMP.

2 of 2 people found this helpful.
60

FOR OUR 2006 H3 IT WAS THE IGNITION SWITCH. GM PUT OUT A HELP TIP FOR THERE TECHS AND ITS THE FIRST ITEM ON THE LIST TO CHECK.

3 of 3 people found this helpful.
825

Fuel pump relay # 66 in the fuse panel pull it out replace it your hummer should fire right away.

2 of 2 people found this helpful.

for 2008 H3 Hummer one of your respondents was correct if engine not starting but battery is good .Replace fuel pump fuse #66 with rear window defogger fuse #71 and it should start right up

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