Compression Ignition Addict
Join Date: Nov 2011
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Heater blowing cold on the highway
Well recently it has been about -20 here and heater works great when my truck is idling or cruising around town. However I soon as I get on it on the highway and go say 70+ the heat goes away
and I'm left with cold air. What could be causing this? A side note if I stop and rev it up my coolant temp drops from 190 to 172ish slowly however if I just stay on the highway it will stay up at 190...
Thanks for any help from a very cold Canadian after Driving 5 hours today.
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2004 CCSB King Ranch-Studded-HG are one way out again-4 inch mbrp-4 foglight mod-8000k hid in all lights-Edge Insight CTS-SCT SF3- Looney Wild/tow/fuel-Riff Raff Boots-Metal CAC Tubes-S&B CAI-CCV mod-07 Front Diff Swap-Rear Captain Chairs-ISSPRO Performax Gauges 3 and growing-2012 Tailgate/camera-2012 Rear View Mirror-Amp Power Steps-2012 Rear Bumper-20 Inch Stock Rims-Auto Enginuity-2012 Power mirrors