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H&s tuned cold starts Knocking and blowing???

800 views 4 replies 4 participants last post by  clutchdabomb22 
#1 ·
when i start my truck up it will do the normal high idle and after a couple minutes it will start knocking and blowing a ton a smoke like theres way to much fuel being supplied, Il turn it off, start it back up and its okay. The code it threw was cylinder 8 misfire? aany ideas, im a little hesitant to take it into dealer
 
#4 ·
Please correct me if I am wrong, but wasn't there a tsb or recall on some 08 trucks regarding the injectors?
 
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