Check out the EFI Live Screen Shot. 2001 5.3 liter
EFI Live can be downloaded free: http://www.efilive.com/index.php?opt...=48&Itemid=124
The free version does not allow changes to be saved, but looking at injector voltage offsets would be free!!!
The ".tun" files can be found here: http://www.tunefiledepot.com/index.p...Type=P&Stock=Y
dave w
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