Operation CHARM
: Car repair manuals for everyone.
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Ford
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2009
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Mustang V6-4.0L
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Cooling System
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Engine - Coolant Temperature Sensor/Switch
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Coolant Temperature Sensor/Switch (For Computer)
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Description and Operation
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Electronic Engine Controls
Electronic Engine Controls
Electronic Engine Controls
The ECT sensor:
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sends the PCM a signal indicating engine coolant temperature.
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voltage decreases as coolant temperature increases.