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Coolant System Diagnosis 140-160 1972

posted by  chef blue on  Fri Dec 4 13:46 CST 2020
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last visit: Tue Aug 16 14:47 CST 2011
[RELATED]

So here is what I have now done. I'm not very educated on the testing of electrical parts yet so please take that into consideration as to what I tried. With the coolant sensor still in the back of the engine block, I set my multimeter to the lowest Ohm setting (200) and it showed a 1 on the screen. I then put the black probe to the body for ground and put the red to the male part of the electrical connector on the sensor. It took some moving the probes to get a steady reading. At first, it would show numbers in the high 100's then go back to 1. After trying to find a steady reading I managed to get a reading of about .5 and .6. There is no coolant in the engine at the moment because I unwisely panicked and went to check the water pump and thermostat before being smart enough to ask questions here first as to what to check. It's about 45 degrees right now so that is the temperature of the sensor. Does this information tell me anything? Thanks again to everyone who is helping to learn how to work on my car.






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