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-   -   Running cold!! (http://www.clubcobra.com/forums/shop-talk/84987-running-cold.html)

Pacco 02-03-2008 12:26 PM
Running cold!!
 
Haven't had much time to figure out my engine temp problem. Car usually runs at 195 on avg. Have had a problem with the car not going above 140 degress. Fan was coming on with the turn of the ignition switch. I unhooked the fan to see if the constant running of the fan was possibly the problem. Took the car out. Temp gauge did not reach 140. The problem from what I know is: 1) thermostat staying open 2) bad temp sensor. What else could explain this? Thanks!

rsb427 02-03-2008 12:34 PM
check coolant level and bleed system, sometimes air can get trapped causing faulty readings. I run a purge tank with a bleeder hose on top to keep system full and no air bubbles.

strictlypersonl 02-03-2008 02:40 PM
If the temperature doesn't go up when you've disconnected the fan and the car idles for a long time, the problem must be in the gage temperature sensor.

Tim Brewer 02-03-2008 02:51 PM
Change the temp sensor..

Dwight 02-03-2008 04:41 PM
IR Thermometer
 
Buy a infrared thermometer with build in laser at the parts store. Use it to check the sensor, radiator, hoses, block temperatures, etc. Great little shop tool for Cobra owners. Cost $40 to $100.
Better than changing a lot of parts, looking for what wrong.

Dwight

undy 02-03-2008 05:15 PM
Thermostat's stuck open..

Pacco 02-08-2008 03:38 PM
I think I have finally solved the cool running temp. Changed out the 160 thermostat with a 180. Ran for about 15 minutes temp reached 200 without the fan. Bad thing was a hose blew off, that I didn't have secured properly. I guess the thermostat was stuck open. It appears that the problem has been solved! Thanks to everyone for their help!


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