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I have a 1994 vanette and I would estimate 35-40 mpg
it is a heater. heat. it blows heat. warm air
first of all i hate to say an obvious answer but does the heater motor even turn. Does it blow air at all. The first thing i would check is if the fan motor is blowing any air at all. If not u need to put in a new heater fan motor. first of all i hate to say an obvious answer but does the heater motor even turn. Does it blow air at all. The first thing i would check is if the fan motor is blowing any air at all. If not u need to put in a new heater fan motor.
The fan motor has a short...change it.
Fuse, switch, speed resistor or motor.
AnswerBad thermostat, clogged heater core, or a defective heater control switch. If an engine has not been running long it will not have warmed up, the warmth from a car heater usually comes from the engine.
Only the fan is working, there is no gas burning (gas heater) or the electric heating element is not working(electric heater)Answeris it electric gas or oil Its gas.
you might need a heater core
its happen because heater core have too much durt insaide and you can clean it with some blowing thing or replace
There's a short in your main line going to your fuel heater.
Beause there is probably a short/bad connection in the switch, or the blower motor itself
Could be, Low on coolant, A stuck open thermostat, A plugged heater core, A faulty temp blend door actuator,