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Death of the H3 need advice or help!

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Old Nov 2, 2014 | 11:54 AM
  #1  
HumV's Avatar
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Default Death of the H3 need advice or help!

Hi Guys
. i have 2007 Hummer h3 luxary edition automatic sitting in my driway unmovable. Car will crank however not start.i hve searched hours on web to help figure out my problem. so far it has been unsuccesful. i am thinking my head gasket or head might of gone bad. slow lag in first gear. i have been driving for months like this until one day it wont start. i tried starting it and will not turn over. i plugged odb scanner and error p0030 showed up then after couple days i got more codes such as p060e p0223 p0717 p0787 p2135 p2135 p0973 p 0976 p2769 p2764 . mechanic looked at it and told me i need a new engine and to go somewhere else because he did not want to work it. he checked the compression and told me that one cynder had lost compression. he said he put new spark plugs and for some reason the pistion hit the spark plug causing it to bend the tip. so i bought a set and tried to see if he was correct. i started car with new plugs and it cranked but not turn start. i pulled to see it anyplugs were bent and all were still intact. i was hoping it is just the starter so i tried hitting it with hammer. and hit a roadblock with the gm stupid security feature and now my passlock wont let me start the truck. im so frustrated at this point and just want the beast to drive again. i did the stupid 10min 3cycle deactivation and it did not work. now im stuck with trying to get it to turn off. any other way i can get the passlock to deactivate?
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Last edited by HumV; Nov 2, 2014 at 11:59 AM.
Old Nov 5, 2014 | 02:42 PM
  #2  
amrg's Avatar
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Joined: Sep 2012
Posts: 262
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Originally Posted by HumV
Hi Guys
. i have 2007 Hummer h3 luxary edition automatic sitting in my driway unmovable. Car will crank however not start.i hve searched hours on web to help figure out my problem. so far it has been unsuccesful. i am thinking my head gasket or head might of gone bad. slow lag in first gear. i have been driving for months like this until one day it wont start. i tried starting it and will not turn over. i plugged odb scanner and error p0030 showed up then after couple days i got more codes such as p060e p0223 p0717 p0787 p2135 p2135 p0973 p 0976 p2769 p2764 . mechanic looked at it and told me i need a new engine and to go somewhere else because he did not want to work it. he checked the compression and told me that one cynder had lost compression. he said he put new spark plugs and for some reason the pistion hit the spark plug causing it to bend the tip. so i bought a set and tried to see if he was correct. i started car with new plugs and it cranked but not turn start. i pulled to see it anyplugs were bent and all were still intact. i was hoping it is just the starter so i tried hitting it with hammer. and hit a roadblock with the gm stupid security feature and now my passlock wont let me start the truck. im so frustrated at this point and just want the beast to drive again. i did the stupid 10min 3cycle deactivation and it did not work. now im stuck with trying to get it to turn off. any other way i can get the passlock to deactivate?
Here
Cant help you with the passlock issue, but when it comes to the cylinder compression problem, try swapping the coil packs from that cylinder to another one and see if the problem stays with the same cylinder or migrates to the other one. If it migrates, replace the coil pack. Otherwise, you have more things to look at.
 
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