When it is really cold out, my Ranger does not throw very much warm air. When it is warmer out it throws plenty of heat. The heater door does not operate, but is in the right position. Both the in and out heater hoses get hot. Has anybody run into this problem before? The temperature gauge always runs where it is suppose to be. Every so often after 4 or 5 miles the temperature gauge will drop all the way down and then blow cold air and then slowly go back up. Thanks for the help.
By Mark L.
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