Join Date: Mar 2017
Location: Saskatchewan, Canada
Not following what you mean here. There is elevated idle which it will rev up to a certain temp and then idle down. Then there is that actual high idle if your truck was ordered with it and as far as I know that will stay in high idle till you cancel it. Least I donít recall my truck ever idling itself down when I engaged the high idle.
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2008 Chevrolet CCSB Duramax - dpf delete, egr delete, pcv reroute, hsp cold air, hsp billet thermostat housing, hsp y-bridge cold side combo, banks ic pipe, efi tuned by ppei, FASS lift pump, dmax store downpipe, 5" mbrp exhaust, trans go jr, htt Promax 64, ppe shim kit, ppe ported rail fitting, bd drivers manifold, arp head studs, limitless diy kit built by me, limitless 1078 converter