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engine light on

Can someone please tell me what code 654 is on GM 4.3L?
  • Posted 17 Jul 2015 19:56
  • Modified 21 Jul 2015 00:44 by poster
  • By ChrisD
  • joined 1 Mar'12 - 21 messages
  • Kentucky, United States
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shoot me a email at tool_king at hotmail dot com
I can send you the trouble shooting manual.
  • Posted 21 Jul 2015 13:16
  • Modified 21 Jul 2015 13:18 by poster
  • By tool_king
  • joined 1 Jun'10 - 21 messages
  • New Jersey, United States
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