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2006 GMC Sierra engine

Tiny
TONYACE
  • MEMBER
  • 2006 GMC SIERRA
  • 6.0L
  • V8
  • AWD
  • AUTOMATIC
  • 89,000 MILES
I installed a new engine brain and now my truck wont start
Monday, February 3rd, 2014 AT 5:42 PM

2 Replies

Tiny
KNOWLEDGE IS POWER
  • MECHANIC
  • 1,136 POSTS
That ecm needs to be programmed to the truck at the dealer. Its no big deal
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Monday, February 3rd, 2014 AT 5:47 PM
Tiny
HOMER1967
  • MECHANIC
  • 875 POSTS
Yes, it must be programmed by a dealer.
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Monday, February 3rd, 2014 AT 6:17 PM

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