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  1. J

    7.3 Idles Rough, Runs Great Otherwise

    Hey Guys, New to the forum. I have searched and searched but was not able to find anything that is like this particular case. My truck is a 1990 (N/A) 7.3. It has since had a hypermax T4 turbo setup at some point in time. Not too long ago I replaced the IP and injectors (maybe 300 miles)...
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