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It is possible that the thermostat is stuck open, thus not allowing the engine to reach sufficient higher temperatures for proper heating, or the water pump may be too slow (or stuck) to allow the proper coolant circulation through the heater unit, or the switch/flap "controls" (or vacuum system) to the heater unit may be faulty (or stuck) so as never to engage into "heat" mode, or the heating unit/coils may be so clogged that it is no longer effective for giving off hot heat, even though the coolant temperature itself is hot enough, or you may have the wrong thermostat for that vehicle (thermostats have different operating temperatures per specific vehicle).
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Why does the heater blow hot and cold sometimes in your 2003 dodge stratus?
Most likely cause is low coolant. Check your antifreeze level.
Why does our dodge stratus heater will not blow hot at lowere RPMs?
The Blower resistor should be tested which is located near the blower motor, the resistor is probably faulty.
You drive a 2002 Dodge Stratus your heater or AC will only blow air on the 3rd and 4th level and not on the first two lower speeds?
need new blower motor...
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you may not have the heater water hoses plugged in
Would a water pump on a 2002 dodge stratus cause your car to not blow out hot air?
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Cause its broke!
Why does the heater blow warm in a 1998 Dodge Ram?
Assuming you want it to blow hot, it could be low on coolant, a stuck open thermostat, a plugged heater core or a faulty temp blend door.
What can cause front heater not to blow in 2005 Dodge Grand Caravan?
Leave it turned off.... doh
Why when idling does your Ford Contour 1997 heater not blow heat but when moving it does?
I own a 1997 Ford Contour and there was a recall a few years ago on the heater blower and resistor. Check out the recalls on the car.
Why does heat in 1998 Dodge Grand Caravan blow cold?
Low Coolant? Bad thermostat? Heater core plugged or restricted? Heater core airbound? Heater control cable not working?
What do you look for if im trying to get your heater to blow hot air on a 94 dodge ext v8?
Check your thermostat first, if that's OK then your heater core is likely bad
What would cause the heater on a 1997 Grand Am Gt to not warm up completely and only blow slightly warm air?
It could be the thermostat on the engine. If the engine does not warm up adequately the heater will never blow hot air.
