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THE BLOCK HEATER IS A HEATING ELEMENT THAT IS LOCATED INSIDE ONE OF YOUR ENGINE BLOCKS FROST PLUGS. ALL VEHICLES THAT HAVE A BLOCK HEATER HAVE A REGULAR ELECTRICAL CORD THAT PLUGS INTO A WALL SOCKET USUALL INSIDE YOUR GARAGE OVERNIGHT SO THAT THE ENGINE COOLANT CAN BE HEATED SO THAT WHEN INCLEMENT WEATHER COMES YOU DONT HAVE TO WAIT TILL YOUR CAR RUNS FOR A WHILE BEFORE GETTING ANY HEAT. NO YOUR THERMOSTAT DOES NOT NEED TO BE CHANGED. IF NOT SURE YOU CAN ALWAYS SWITCH TO AN ALL SEASON THERMOSTAT.

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Q: If a 1993 Mazda mx3 v6 has a block heater does this mean its made for cold weather does the thermostat need to be changed?
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