1999 Toyota Tazz Running cold indicated on Temp Guage

1999 TOYOTA TAZZ
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OOMTOM
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  • 1 POST
Engine Mechanical problem
1999 Toyota Tazz 4 cyl Two Wheel Drive Manual

How do you check if the engine is running cold or whether the temperature sensor is faulty.
Jun 14, 2010 at 7:19 PM
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BLACKOP555
  • ✓Experienced Mechanic
  • 10,386 POSTS
run engine till it feels warm and touch hoses by hand should be pretty hot. or you can use a heat gun and measure heat and compare it.

or you can take sensor out and put it in boiling water while its connected to its harness and see if it jumps up to hot.
Jun 15, 2010 at 2:09 PM
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