1999 Volkswagen Passat Temperature gauge

1999 VOLKSWAGEN PASSAT
154,000 MILES • 4 CYL • 2WD • AUTOMATIC
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ASPELEGRIN21
  • MEMBER
  • 3 POSTS
What is the temperature gauge supposed to mark after the car has been started for about 20 mins because it only moves up to like one spot and doesn't move from there. The weather where I am is about 30-40 degrees Fahrenheit...
Mar 26, 2014 at 1:23 PM
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EXOVCDS
  • ✓Experienced Mechanic
  • 1,882 POSTS
The temperature needle should be straight up in the middle after 10 min.

You either have a stuck open thermostat or a bad temperature sensor.

Thomas
Mar 26, 2014 at 2:46 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
The thermostat should fully open at 195 degrees F. Usually, the needle is centered on the gauge at or around that temp.
Mar 27, 2014 at 3:50 AM
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