2000 Pontiac Grand Am Temperature gauge jumps

2000 PONTIAC GRAND AM
153,236 MILES • 4 CYL • FWD • AUTOMATIC
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XRAZRBULLETX
  • MEMBER
  • 1 POST
i was driving home from work and my temperature gauge randomly dropped to just above 150 degrees for a few second, then bounced around for a few more seconds and then returned to its normal spot and stayed there. bad wire? or something like a sensor or the gauge itself?
Oct 14, 2010 at 3:35 PM
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SATURNTECH9
  • ✓Experienced Mechanic
  • 30,869 POSTS
Could be a wire or the sensor most likely you would have to watch the temp reading on a scan tool that read's live data and go from there.
Oct 14, 2010 at 4:15 PM
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