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Hey guys. I'm new to 5.9s... had plenty of 7.3s but new to this game. I just recently bought an 04 with a new motor (Dodge, warranty). The truck runs very good... maybe a bit too good. I'm suspecting the truck might have a chip or tuner installed. It runs it's off, and I have trouble believing this is stock. These are going to be repo/wheel lift trucks for me so I'm not comfortable just leaving any tune in there if I have no idea of what it's doing to EGTs, etc. Where do I start checking? There are no plug in modules underhood. Do Dodges use "chips" similar to Fords also? What about tuners? If it has a tune installed, how do I uninstall if I don't have the tuner?
 

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fill out ur sig. put some gauges in (boost, egt, etc) and somebody should be able to tell you based on boost or maybe egt? oh i see 04 but they changed in 04.5, so look on the valve cover to see hp rating. on driver side
 
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