2004 Toyota Tacoma Cooling system

2004 TOYOTA TACOMA
175,000 MILES • 4 CYL • 2WD • MANUAL
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MONTOYAGUS
  • MEMBER
  • 1 POST
My truck temp gage goes up and down while i am driving...almost to the red then down to norm then back up to red again every five sec or so...
Jul 14, 2010 at 8:12 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,992 POSTS
Try replacing the thermostat and see what happens if it continues test the coolant temperature sensor
Jul 14, 2010 at 11:53 PM
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