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Old 01-27-2018, 05:58 PM   #11
Bladeboy1998
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Join Date: Nov 2014
Location: Toledo Ohio
Posts: 520
Re: 2003 2500hd 6.0 odd vacuum leak issue

Quote:
Originally Posted by 95 S_Trucker View Post
Find or borrow a good scan tool, and under data display, look in misfire history. I can almost guarantee you'll find a cylinder that has a lot more misfires than the others.
I'm using a matco maximus gen 1 scan tool, it's made by launch. Not a low end scan tool, but it's not a snap on one. I did use my buddies snap on one, before this all happened and even then we never got any live misfire data.
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