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Thanks, I appreciate your quick response, like I said, i'm new to HP Tuners. Thanks again.

Can you explain to me how, just got my tuner to program fans and was necessary to add AC Pressure sensor to use 5v reference and low reference circuits, no open in pcm circuits, Thanks for response.

Am wondering if HP Tuners can program EGR delete in my 2001 GMC Yukon Denali 6.0L on turn off from setting EGR codes ?

Used specs from 2005 Silverado, used these settings to setup specs in 2001 Yukon, problem is both fans run low speed when starting, engine off and command fani 1 on , good, fan 2 on , both run at...