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Sparkplugs???

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lost
Anonymous Poster
greathubby2105@yahoo.com

Nov 20, 2007, 7:09 PM

Post #1 of 2 (2161 views)
post icon Sparkplugs??? Sign In
Never worked on a GM Vortec 4200. I believe it has COS (COIL OVER SPARK) system and I'm not sure how to change the sparkplugs. Can anyone advise me on how to go about this?


DrElectrics
Enthusiast
DrElectrics profile image

Nov 21, 2007, 5:06 PM

Post #2 of 2 (2148 views)
post icon Re: Sparkplugs??? Sign In
This may help. Check paragraph 2.

http://www.2carpros.com/topics/sparkpl.htm





 
 
 






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