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-   -   question about testing temperature sensors (http://forums.pelicanparts.com/porsche-924-944-968-technical-forum/457408-question-about-testing-temperature-sensors.html)

sdelasal 02-15-2009 02:38 AM
question about testing temperature sensors
 
The car is on ramps at the moment & I want to remove the DME temperature & the gauge temperature sensor to test them. If I unscrew them from the block, will coolant start draining out or do they sit in a sealed metal pocket? Steve

comicbook8@gmai 02-15-2009 12:21 PM
coolant will seep out , sensor is not in a metal sleeve !

Makis 02-15-2009 01:13 PM
You should not need to remove the sensor to test it. Just disconnect the plug measure the resistance with engine cold and hot and take a note of the values. Then compare them with the recommended values. I think around 2K ohms cold and 200 ohms hot. Also make sure that there is not resistance between the two sensor terminals and the ground. If so the sensor is faulty and will need replacing.

SuperXRAY 02-15-2009 07:09 PM
Quote:
Originally Posted by sdelasal (Post 4486751)
The car is on ramps at the moment & I want to remove the DME temperature & the gauge temperature sensor to test them. If I unscrew them from the block, will coolant start draining out or do they sit in a sealed metal pocket? Steve
Use the following links from Clarks Garage.

Coolant Temp Sensor

DME Temp Sensor


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