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Thanks for the pointer ! Posted by vtsnaab [Email] ![]() ![]() ![]() In Reply to: Re: NTC sensor - plugs ?, Saabnutt, Mon, 21 Dec 2009 11:10:03 Members do not see ads below this line. - Help Keep This Site Online - Signup |
The name of the thing did not help...but I did find more info here at TSN:
"Engine Temperature / NTC Sensor
One of the least known sensors is the engine temperature sensor (aka NTC II). It is a semiconductor resistor, also know as a thermistor, and the NTC stands for Negative Temperature Coefficient. This means that the sensor's resistance goes down as the temperature goes up. If the ECU applies a fixed voltage to the NTC resistor, it will receive a smaller signal back as input from a cold resistor with higher resistance than from a warm one. This sensor is screwed into the water passage on the intake side of the head between intake runner #2 and #3 on the 900s and just under runner # 2 on the 9000s. Test the sensor by probing the two contact points with a multimeter to measure the resistance which should be:
* Cold Engine -5,800 ohms at 32F (0C) to 2,600 ohms at 68F (20C)
* Warm Engine - 320 ohms at 176F (80C) to 180 ohms at 212F (100C). "
Last time this was suggested to me on another 9KT I had after buying one and changing it out nothing changed - so I just happen to have a good spare which I will soon try...thank you !!!
mark
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