hvac control

Ok, so on my 2014 XLT with the 8" Sync 2 screen controls, it's been acting a little weird lately. For a while now, when the AC is running and the compressor would come on, the engine would surge where the RPMs would drop for a second. NOTE: It's been doing that for a few years. However, the...

it hasn’t worked since I bought the truck but randomly it’ll pop on a couple lights Nothing works on it though, no heat or cold air, no vent direction. Seeming like maybe I should just replace the whole unit at this point ??

I have a head scratcher with my blower fan... Have a 2002 ST with the blower only working on high and low speeds. Speeds 2 and 3 run the fan on low. I thought it was the resistor and swapped it out thinking it may be bad.. no change after 2 of them (sometimes even new ones can be defective). I...

Where is the ambient air temperature sensor located on a 2015 Limited Edition Explorer?

Greetings. The HVAC blower fan on my '06 Mountaineer is now stuck on high anytime the engine is running. The blend doors still change but the fan speed is maxed and does not change with the switch. Vehicle has automatic climate control and rear a/c if that matters. Poking around the web...

After starting cold engine this morning, I lost control of heater blower motor. It was stuck on high speed and would not shut off when I pressed the OFF button switch. Temp control seems to function normally. Checked fuses under dash and underhood relay (swapped identical relay next to HVAC...