2002 Nissan Sentra car running hot and cold

2002 NISSAN SENTRA
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HIKER25
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Engine Cooling problem
2002 Nissan Sentra 6 cyl Front Wheel Drive Automatic

my car seem to be running hot and the gauge dros back down to normal and then back up again over and over also heater is only working at times .
Mar 24, 2010 at 6:23 AM
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