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Message: [QUOTE="Highroller54, post: 1507900, member: 10639"] After taking the winter off working on the truck (was on my nova) I did some much needed repairs and a full egr ******. Didn't find anything out of the ordinary and the truck is still running high ebp, low boost and black smoke. So back to testing/diagnosing. I don't understand at full throttle how the vgt can be 100% open and have high ebp low boost black smoke high egt's, let off, step on it, 100% vgt lower ebp, low smoke, low egt's high boost working perfect. Wtf could have changed?? Can a vgt open too much too early and then create that problem? Any ideas guys are welcome. I am lost. Towing season is coming up, I can tow with h&s tuning and it works fine but not like my gear head (well when it worked lol) [/QUOTE]

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