My 2008 F250 super duty heating system only produces high heat (from all vents) and running the air conditioner has no affect on the heat output. What may be wrong?

My 2008 F250 super duty heating system only produces high heat (from all vents) and running the air conditioner has no affect on the heat output. What may be wrong? 2 Answers

No heat in my 2008 F250 super duty 6.4 diesel. 1 Answer

I have all fan speeds, the AC works. I think it is the blend door. Is there a fuse? Or is it more than likely my blend door?

Have 2004 F250 Super Duty 5.4L. I was told my problem was the mass air flow sensor. It slows down n speeds up at an idol and will miss below 50 mph! I also think it may be the idle air sensor, any thoughts or opinions? 1 Answer

Have sprayed the MAS and ran sea foam, and gas line anti freeze through it multiple times. Engine light is on.

I changed the alternator on my Ford F250 Super Duty 2000 model and when I got it tested at O'Reilly's while it was on the truck it said voltage regulator an only putting out 11.9 4 Answers

I changed the alternator on my Ford F250 Super Duty 2000 model and when I got it tested at O'Reilly's while it was on the truck it said voltage regulator an only putting out 11.9 but when I took ...

ford f250 super duty my truck will not start when i turn the key 2 Answers

i have a ford f250 super duty my truck will not start when i turn the key but i can start it when i jump my starter. Any thoughts