LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

97 LT1 - Won't start, no spark - help

Old Nov 28, 2006 | 10:14 PM
  #1  
hambone1's Avatar
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97 LT1 - Won't start, no spark - help

engine was running fine, quit, won't start, no spark. Replaced fuel pump last month. 69k miles What could it be. help
Old Nov 29, 2006 | 05:23 AM
  #2  
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Assuming you checked for spark at a plug only, then check for spark at the coil. If at the coil and not a couple of plugs, check the coil wire to the opti or the cap or the rotor.

If not at the coil, check for the presence of ground and 12 volts at the coil as well as the IC signal to the ICM on the white wire.
Old Nov 29, 2006 | 07:52 AM
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Here you go.

http://www.mainstreamtopics.com/foru...p?showtopic=78
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