Low coolant? Bad thermostat? Heater core plugged, restricted or airbound? Bad heater control? Water pump not circulating coolant?
90% of the time it is the temp mode door actuator located in the driverside rear of the truck
How many cold cranking amp do a 2001 ford ranger needs?
The selector switch needs to be fixed or replaced.
If it does blow just not cold air you should see if it needs to be recharged
make sure your oil is up to level.
chock
It came from the factory with the Motorcraft BXT-65-650 battery ( That's BCI group size 65 , 650 cold cranking amps )
if its blowing, but not blowing cold its low on coolant. it takes r134a.
check your coolant level
The 2007 Ford Expedition Owner Guide shows : For the battery : BXT-65-650 or BXT-65-750 ( if equipped ) So that's BCI group size 65 ( 650 or 750 cold cranking amps )
It came from the factory with a ( 650 ) cold cranking amp battery , according to the Owner Guide
According to the 2000 Ford Expedition Owner Guide : Both the 4.6 and the 5.4 came with the ( Motorcraft BXT-65-650 battery ) * that's BCI group size 65 , 650 cold cranking amps