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I have a 2007.5 LMM with EFI Live and dsp5 switch. I've had the truck for 3 months and the dsp5 switch a pin was broken in the ECM plug. So I replaced the switch. My question is how do I know that this switch it working? Is there much change between tunes for a noticeable power increase. Haven't...

What is some temps people r getting in the highway? Wanting to compare with what my temp is. My truck was running 147 degree no load cruise control setting on 80 mph on interstate. Outside temp about 40 degrees. Thanks!!!!!

Are there any Diesel shops that can help with this in my area? New to the Diesel trucks have a 2007.5 gmc 2500 Duramax and Allison transmission. EFI live from Dan's Diesel Performance With DSP 5 switch, EGR delete 5 in exhaust, lift pump, Edge insight CTS I really have no idea what that all...