Question about Fiat Cars & Trucks
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Posted on Jan 02, 2017
Since there is no voltage applied with the ignition off, if the gauge is not dropping down all the way, it is the gauge that has failed.
Temperature sensors are frequent failures but they are not active when the car isn't powered up. They can be intermittant, high, low but with no power, the gauge itself should go to the minimum.
Posted on Jan 19, 2009
SOURCE: Temperature sensor problem?
There are 2 different circuit that control the cooling fans.
The engine controller turns the low speed fan circuit on to control temperature and turns on the high speed fan circuit if the engine and A/C is running.
It sounds like your low speed fan function is not working.
Find your fan 1 fuse located in the under hood fuse panel and make sure it is not blown. If OK go to next step.
Find your fan 1 relay located in the under hood fuse panel. Find another relay in the fuse panel that matches and swap the two. If the fan then works you know you have a bad relay.
If both are check good, let me know and we will go from there.
Below, I have attached the wiring diagram for your cooling system, hope it helps.
Posted on Mar 27, 2009
Hi. the vdc at the sensor seems to be fine. if the ground is sufficient, i would replace the gauge. its malfunctioning. Check for loose connection at gauge before replacing the gauge.
Posted on May 14, 2009
could be the water temp.sensor is faulty try to re-attach plug-in elecrtical connections, especially from the radiator to the fan.
Posted on May 20, 2009
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