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What can cause the cooling fans to not come on for a 1998 Dodge Sport Grand Caravan 3.3L engine?

* Coolant temperature sensor: If the coolant temperature sensor is faulty, it may not send the correct signal to the engine control unit (ECU), which will prevent the cooling fans from turning on.

* Cooling fan relay: The cooling fan relay is responsible for turning on the cooling fans when the engine reaches a certain temperature. If the relay is faulty, it will not send power to the fans and they will not turn on.

* Wiring: The wiring between the coolant temperature sensor, the cooling fan relay, and the cooling fans can become damaged or corroded, which will prevent the fans from turning on.

* Engine control unit (ECU): The ECU is responsible for controlling the operation of the cooling fans. If the ECU is faulty, it may not send the correct signals to the cooling fan relay and the fans will not turn on.

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