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2002 Chevy Tracker PO 128+PO455No heat whatsoever

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No heat, can't hear fan blowing
Vehicle: 2002 Chevy Tracker 2.5 engine

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P0128 Thermostat malfunction

Not hearing the blower motor coming on. this would be a fault with the blower motor .or  the blower motor regulator  regardless if the thermostat is not working if you can not hear the blower motor come on, that area would need to be investigated more

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