1995 Ford Aerostar Temperature fluctuations

1995 FORD AEROSTAR
118,000 MILES • 6 CYL • 2WD • AUTOMATIC
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DKF
  • MEMBER
  • 1 POST
My van's temperature usually runs right about on the M in Normal on the temperature gage on my dashboard. Yesterday and today I noticed that the gauge would race up to the L (particularly when I accelerated) and drop down to normal. But then the temperature needle would climb again for no apparent reason.

Is this a thermostat problem or something more serious such as a faulty head gasket or an engine problem?
Jun 14, 2010 at 12:16 PM
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BLACKOP555
  • ✓ASE Certified Mechanic
  • 10,386 POSTS
  • ASE Certified Mechanic
with the needle fluctuating rapidly like that i would check to make sure the coolant level is at its maximum fill point.
Jun 14, 2010 at 11:33 PM
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