Question about 2007 Hummer H3

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2007 H3 "FAULT" Power, won't start, key locked in ignition

Went to start my 2007 H3 with a remote starter. Power came on, no start. "Fault" lit up. Tried to start with key in ignition, nothing, and now key is locked inignition.

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6 Suggested Answers

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: my H3 Hummer has a fault code of P0017 And P0300

I have 08 H3 3.7 and alternator drop the charge ! start 14.0V and after 5 minutes gos to 12.3 V

Posted on Jun 18, 2010

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ourhowse
  • 2007 Answers

SOURCE: Went to start my 06

First check the battery connections. Make sure they are all clean and tight. Ground cable and connection to starter as well. Try getting a boost or put a charger on it. When you get it going, you'll have to check everything closely to make sure nothing is on. It is possible that the battery is just done, or the starter could be fried and just drained the battery. Let me know how you make out.

Posted on May 11, 2011

  • 82 Answers

SOURCE: Hummer H3 2006 went dead,

change the battery

Posted on Aug 25, 2011

SOURCE: Power door locks and drivers window won't work on

I changed my door stop sensor on the inside panel of my H3 2006 and that restored this function. Normally after you lose battery power it needs to fully charge before they work again.

Posted on Dec 05, 2011

lacrow146900
  • 38 Answers

SOURCE: where is the ignition coil on a 2007 hummer h3 - 3.7

Its a coil on plug setup. Uncover the top of the engine to expose all the coils. They sit ontop of each spark plug.

Posted on Dec 03, 2012

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I have had vehicles towed into my shop for similar complaints when the only problem was that the customer was using a cheap duplicate key that they had made at the hardware store that did not have the required computer chip in it.

I have also had vehicles towed in where the customer had replaced the battery and did not have good cable connections or forgot to connect one of the wires that was supposed to to get hooked-up to the battery connector.

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