the temperature gauge reads cold

1995 TOYOTA COROLLA
210,000 MILES
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MARIOC68
  • MEMBER
  • 120 POSTS
The temperature indicator on my car reads low. As I go by road (90 or 100 km/hour) it goes down even more. Just less than a quarter of its indicator travel. When I leave it by heating the engine to idle, it stops halfway.
May 18, 2017 at 3:44 AM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
You first need to confirm the actual engine temperature with a laser thermometer to make sure the dash gauge is correct. If you confirm that, then you would likely have a bad or missing thermostat.
May 18, 2017 at 4:29 AM
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MARIOC68
  • MEMBER
  • 120 POSTS
What other means I can use to read the engine temperature, I do not have a laser. The thermostat has an inscription (82 ° C). The temperature has to be this.
May 18, 2017 at 4:56 AM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
If you have a scan tool you can look at sensor data in the computer. Other than that, there is no other way to read the engine temperature from the outside.
May 18, 2017 at 4:59 AM
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