2007 HUMMER H3

  • Tiny
  • ozzy765
  • 2007 Hummer H3

Engine Mechanical problem
2007 Hummer H3 6 cyl Four Wheel Drive Automatic 29,000 miles

My H3 died at a stoplight this morning. Why would it die? It restarted. Could it be alternator or belt problem? Help me please-so far it has been perfect and now I am freaking out. Thanx !

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have the same problem?
Thursday, March 18th, 2010 AT 9:14 AM

1 Reply

  • Tiny
  • factoryjack
  • Expert
  • 4,262 posts

A couple of possibilities exist, a crank sensor faulty, or I have seen a faulty PCM cause a stall. If it was a belt or alternator, and made it to the point of stall, it would not have restarted. If your mileage, and year are correct, you should still be under warranty.

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Thursday, March 18th, 2010 AT 11:13 PM

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