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#1
10-13-2010, 07:00 AM
Hummer Novice
Join Date: Apr 2010
Posts: 14
engine immoblizer
Today went for a haircut and got into my H3, put the key in and the truck would turn over but would not start. After contacting Onstar, I was told it was security issue. I finally got it to start by pressing lock and unlock on my remote. I was wondering if maybe someone tried to break in to it and the engine immobilzed. This has never happened before. Has this happened to anyone and why?
#2
10-15-2010, 04:35 PM
Hummer Veteran
Join Date: Apr 2007
Posts: 221
Re: engine immoblizer
What year is it? Older models have a habit of the passlock going out. Do a search on the Hummer forums for "passlock." It is a piece in the key/iginition switch that wears out.
#3
12-07-2010, 07:44 PM
Hummer Veteran
Join Date: Feb 2008
Location: North Carolina
Posts: 144
Re: engine immoblizer
Mine did this last thursday when I got in my truck to leave work. Truck turned over but wouldnt fire like it wasnt getting fuel. I switched the headlight relay with the fuel pump relay and it started right up. I think the relay was going bad but it had also cut out on me a few weeks before but cranked right back up. Maybe a different problem, but you might want to check your relays as well
__________________
06 H3, Boulder Grey (somtimes/mostly just mud, color of mud varies), Leveling Kit, 35" Toyo Open Country M/T's, Westin chrome nerf bar, chrome brush guard, Chrome kit, chrome roof bars, navigation, XM,
brush gaurd lights. Want: 4" or 6" lift, rock rails to replace the steps, roof rack w/lights, want a rack above the spare on rear door, custom seat covers...should be done then but I doubt it
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