Compression Ignition Addict
Join Date: Mar 2008
Location: Santa Rosa, CA
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Yeah, it is normal for the truck to idle up after a few minutes in cold weather, factory programming.
If you had the high idle mod done, then the truck would idle up to 1200 rpm when you turn on the switch for it.
2005 F-250 CC/SB 4x4 medium wedgewood blue
5" lift, 5" Donahoe rear springs, 35x13.50 Extreme A/T's, 18x10 Ultra Predator wheels, 4.30 gears, Banks 4" exhaust, Airraid intake, SCT from Innovative, ARP headstuds, Bulletproof ficm, Scangauge II, Randy Ellis Design lightbar, Street Scene flares, Harpoon mod, Zoodad mod, LED 2010 taillights, dual color LED front turn signals, Pioneer avic-D3 with ipod and backup cams