answersLogoWhite

0


Best Answer

Most likely cause is a faulty coolant temperature sensor.

User Avatar

Wiki User

17y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: For a 1999 VW Passat 1.8T what is the likely cause of a water temperature gauge that frequently fluctuates between cold and normal and back and forth?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Where is the coolant temperature sensor located on a 1999 VW Passat?

If you have a 1999 Passat V6, the coolant temperature sensor is located in the lower radiator hose.


Where is temperature fuse located on Passat VW?

There is not a temperature fuse it has a coolant temperature sensor at the back of the cylinder head


Does the 2005 passat engine have to be a certain temperature in order to check the fluid?

no


What is the normal engine temperature for a Volkswagen Passat wagon?

the normal running engine temperature on the passat is 195 degrees , most of the time the primary cooling fan gives out and they run somewhat warmer than that.a belt connects the primary and secondary cooling fans ! you may check the belt if your passat is running warm.


What is the normal engine temperature for a 92 Volkswagen Passat wagon?

the normal running engine temperature on the passat is 195 degrees , most of the time the primary cooling fan gives out and they run somewhat warmer than that.a belt connects the primary and secondary cooling fans ! you may check the belt if your passat is running warm.


Where is the intake air temperature sensor in a 98 passat 18 t?

Just after the throttle body


Where is temperature sensor on 1999 Volkswagen Passat?

It's on the rear coolant flange way in the back by the firewall.


How can you switch between your digital clock temperate and miles per gallon on your 1999 passat?

On my 98 passat I push the button on the end of my wipers lever -


Where is the temperature sensor located on a 2002 Volkswagen Passat?

On the lower radiator hose. It has a connector and a black plastic clip.


Why car air con not automatic?

On my 2002 VW Passat it is automatic. I just set the temperature, and leave it on auto and the AC or the heater kicks in depending on what's needed to get to that temperature.


Is there much difference between the 110hp and the 140hp vw passat engines?

Yes, about 30hp.


What is the European name for a VW passat?

"Volkswagen Passat". It has always been "Passat" in Europe.