Coolant Temperature Sensor Resistance Values. Make sure it isn't burnt out. Which is what the temperature was outside today.
Repair Guides Electronic Engine Controls Engine Coolant from www.autozone.com
The readings from this sensor are then fed back to the engine control unit (ecu), which uses this data to adjust the fuel injection and ignition timing. The coolant temp sensor should read between 500 and 1100 ohms when the motor is cold and the ambient temperature is less than 90 degrees. A sensor with resistance not corresponding to the values given in.
The Readings From This Sensor Are Then Fed Back To The Engine Control Unit (Ecu), Which Uses This Data To Adjust The Fuel Injection And Ignition Timing.
Coolant ect engine ford resistance sensor temperature this chart is for troubleshooting the ect, and act. There is a 90 ohm resistor on the back of it. I then started the bike and recorded the resistance when the fan came on.
Basically All I Wanted To Do Was Test The Sensor.
Test the coolant temperature sensor by detaching its harness connector and checking resistance across the sensor's terminals. Many of us have had the coolant temp sensor or the temp gauge sensor fail on us, and when replacing it, found that the replacement sensor was also inaccurate. When the temperature gauge reads @ 3/4, the ir thermometer aimed into the radiator and at the manifold where the gooseneck bolts on both read 180*f.
The Sensor Is A Thermistor That Changes Value Based On Temperature.
As the temperature increases, the resistance is reduced, which reduces the voltage at the sensor. Notice that the tables for the various platinum curves are for the standard 100 ohm @ 0°c sensor. It's best to have the sensor at ambient temperature instead of fresh off the.
This Is When The Coolant Sensor Is Reading 1200 Ohms Or Less.
The resistance values were way above the values in haynes. Is buried in barstow a. The pcm uses coolant temperature as an indicator of engine operating temperature.
Both At 75*F, I Am Getting About A 250 Ohm Discrepancy (750 + 500 Ohms) Between The Sensors , And Am Using An Ir Thermometer Held About 8 From The Aluminum Manifolds, Aimed At The Base Of The Sensors.
Also make sure that the silver terminal on the gauge has a good ground to the cluster. No fuel from injector pump; Coolant temperature sensor resistance values;
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