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I have tried getting an ohm reading on my engine coolant temperature sensor (the one under the green connector) when the engine is full hot and get strange or no readings. I'm either getting no reading at all or a reading that jumps around. I have tried several digital volt/ohmeters and they all do the same thing. Had a friend, who is a former tech, check it with his meter and he got the same thing. The prongs to the sensor are clean, so that's not an issue. Cold I can get a reading. Can anyone with a 5SFE engine try to read their sensor when the engine is full hot and let me know what reading you get. You need to set the meter to a 20,000 ohm scale.
Thanks in advance for the help.
Mike
Thanks in advance for the help.
Mike