Hi I have a 1992 ford f150 5.0 efi. I am having a issue with the truck always stays just above cold on the temperature gauge and the heater is blowing cold air. I have cleaned radiator and heater core

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Asked by Nov 16, 2014 at 01:09 PM about the 1992 Ford F-150 XLT Lariat 4WD LB

Question type: Maintenance & Repair

3 Answers

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Also added new antifreeze and clean water after flushing. I am curious if this could be the temperature sensoror a thermostat iissue. Thank you so much.

101,715

Thermostat could be stuck open. Locate the two raditor hoses going to the firewall of engine compartment. With engine warm feel theses hoses --- Is one hot and the other not? If so stopped up heater core. Is both hot? Blend door issue under dash. Is neither hot or just luke warm? Possibly stuck open thermostat.

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Thanks dandyoun I'm going to try changing thermostat and hopefully that does the trick. It would be a very nice thing to have some heat with winter approaching. Thanks again

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