Stall issue...

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08-13-2018, 11:56 AM

Backporch73

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Join Date: Jul 2018

Location: Phoenix, AZ

Posts: 78

Stall issue...

Hi everyone, Hi everyone new member here. I just purchased a 2007 hummer H3 base and really love it. The only problem I have is, sometimes when I’m at Low speeds usually when I’m braking, the engine shutters and sometimes stalls and dies. I throw it in neutral and itstarts right back up and takes does fine after accelerating . Any ideas for more experienced members?

Thanks in advance

08-13-2018, 01:18 PM

Doc Olds

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Join Date: Jul 2007

Location: Boat Town USA MI

Posts: 12,197

How many miles on it?

Every fuel injected late model vehicle need to have its Throttle Body and MAF sensor cleaned. When was the last time yours was done?

08-14-2018, 04:57 AM

Backporch73

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Join Date: Jul 2018

Location: Phoenix, AZ

Posts: 78

Quote:

Originally Posted by Doc Olds

How many miles on it?

Every fuel injected late model vehicle need to have its Throttle Body and MAF sensor cleaned. When was the last time yours was done?

no idea, I found that in an older thread after I posted :/
ill do some research and get on that thanks!!

08-14-2018, 08:54 AM

hummer_on_fumes

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Join Date: Jul 2013

Location: Virginia

Posts: 565

Quote:

Originally Posted by Backporch73

no idea, I found that in an older thread after I posted :/
ill do some research and get on that thanks!!

Another thing to check is spark plugs and coil packs, they can make your idle real rough and stall out

08-15-2018, 06:48 PM

Backporch73

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Join Date: Jul 2018

Location: Phoenix, AZ

Posts: 78

Quote:

Originally Posted by hummer_on_fumes

Another thing to check is spark plugs and coil packs, they can make your idle real rough and stall out

ok I’ll check those out too

08-16-2018, 09:06 AM

Doc Olds

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Join Date: Jul 2007

Location: Boat Town USA MI

Posts: 12,197

Here is the exhaustive list of items to look at with a false stall and/or rough idle in the H3 FAQ section (please do not post in that thread): https://www.hummerforums.com/forum/h...what-do-33916/