Coolant or antifreeze problems
Coolant or antifreeze: Green or pink-colored liquid specifically designed to be used inside of the engine as a refrigerant.
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Engine coolant temperature sensor 2 circuit high
Volkswagen Jetta 2007 2.5 199009 miles
Check engine light flashing, when accelerating it hesitates, uses more fuel. I recently put a new radiator fan on and now it keeps throwing this code P2185
1 report
Coolant sensor light
Volkswagen Jetta 2010 Se 62000 miles
Coolant sensor light on sensors have both been replaced
Temperature icon 
Solved
Volkswagen Jetta 2004 170000 miles
Hi everyone, this is what happened to me: on Tuesday, the engine was cleaned. On Wednesday, it worked properly. On Thursday, the temperature's icon on the dashboard turned on and, when I opened the hood, I noticed that the antifreeze compartment was not closed correctly and the liquid was coming out of it. That same day I filled the compartment with its corresponding antifreeze, left the car on for a while and the icon turned off. On Friday, the temperature's icon turned on again but, when I checked the antifreeze level, it was between the accepted limits. The car has not overheated lately, the water pump is a year old and the fans are working properly. How can I remove the icon? Or what is it that is failing?
1 report
Usually the icon turns on when there is a liquid deficit. In other cases it has to do with the engine still being cold because you have just started the car. The normal thing is that the needle which measures the temperature is right in the middle. If it is above that, it is a problem. Hope this helps.
Best answer (according to freddie)
I had the same problem with my Jeta and the cause was that the terminals that go behind the fuse panel were sulphated, so I cleaned them and it is now working properly. There are two connectors, a yellow and a white one. Hope my comment helps you.
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