1. Open the hood of your 1996 Dodge Ram 3500 Cummins turbo diesel.
2. Locate the engine coolant reservoir, which is usually near the front of the engine.
3. Follow the coolant hose that connects to the bottom of the reservoir. This hose will lead you to the ECT sensor.
4. The ECT sensor is usually located in the cylinder head, near the thermostat housing. It is a small, cylindrical device with a single electrical connector.
Does the ECT Sensor Control Fuel and Air by the PCM?
Yes, the ECT sensor plays a role in controlling fuel and air by the PCM (Powertrain Control Module) in your 1996 Dodge Ram 3500 Cummins turbo diesel. Here's how:
1. Coolant Temperature Data: The ECT sensor measures the temperature of the engine coolant. This data is sent to the PCM.
2. Fuel Injection Adjustment: Based on the coolant temperature information, the PCM adjusts the amount of fuel injected into the engine. When the engine is cold, more fuel is injected to aid in starting and warm-up. As the engine warms up, the PCM reduces the amount of fuel injected.
3. Air Flow Adjustment: The PCM also uses the ECT sensor data to control the air flow into the engine. When the engine is cold, the PCM may activate the choke or intake air heater to increase the air temperature. As the engine warms up, the PCM gradually reduces the choke or heater activation, allowing more ambient air to enter the engine.
Overall, the ECT sensor is one of the important sensors that help the PCM manage fuel and air in a way that ensures efficient engine performance and emissions control in your 1996 Dodge Ram 3500 Cummins turbo diesel.