2005 MG ZR coolant temperature gage

2005 MG ZR
52,000 MILES • V12 • 2WD • MANUAL
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STEVEBLADE
  • MEMBER
  • 1 POST
Bizzare one this! When i reach 70 mph, the needle for the temerature goes down to bottom within seconds. The heater still works and i get hot air through. When i drop speed back down under 70, the gage goes back up to normal within a few seconds! Any ideas or heard of this one before???
Feb 15, 2010 at 12:46 AM
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DAVE H
  • ✓Experienced Mechanic
  • 13,383 POSTS
check for loose connections on the gauge wiring .. sounds like the temp gauge is losing its power signal !!
Mar 16, 2010 at 12:44 AM
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