what is this code 321 no 18x ignition pulse

12,000 MILES
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WAYNEPETERSEN93
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  • 2 POSTS
need code help the code that I have is 321no18xignitionpulse what part do I need??
Nov 28, 2011 at 9:46 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,244 POSTS
This isn't that simple. There is an issue with the spark reference circuit. I have attached a flow chart for checks as well as the wiring schematic. I hope it helps.
Nov 28, 2011 at 10:10 PM
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AMANDAHASSELBACH
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i just found out yesterday that i have the same problem with my Buick. i'm trying to figure out what it means... let me know if you got the problem fixed and how much it cost. Please.
-Amanda
Dec 2, 2011 at 5:01 PM
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