Join Date: Oct 2013
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My heater is acting up. I have heat whenever I am on the throttle, but when I let off the throttle it starts blowing cold. It doesn't matter what position you have the vents blowing in. I have put the truck on a scan tool and it is showing no codes for the HVAC or anything else. Truck runs and drives normal other than the heat issue. Any help would be great.
Truck is a 2006 F350 DRW 6.0 Lariat
2006 F350 DRW Lariat 4" straight turbo back, 7" tip K&N intake
EGR Delete, oilstand pipes blue spring mod, hpop fitting, oil drain tube, dummy plugs, studs and gaskets to come soon!