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1996 Acural RL temperature gage pegged high

Tiny
CHUCKIE365
  • MEMBER
  • 1996 ACURA RL
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 120,000 MILES
I have a 1996 Acura RL 3.5 that as soon as I start the car the Temp gage pegs high and stays there. Obviously this isnt temp related, and I just recently had my radiator cap replaced. Could this have something to do with this? What else could cause the gage to peg high? Also, in the event I do not do anything about this if it is a costly repair, will a engine light come on in the event the temp of the care really does go high? Does this gage affect the operation of the car? Thanks.
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Sunday, March 6th, 2011 AT 5:43 PM

2 Replies

Tiny
CARADIODOC
  • MECHANIC
  • 33,916 POSTS
Locate the sending unit and unplug it. If the gauge still reads high, that wire is grounded somewhere. There is a second coolant temperature sending unit for the Engine Computer. The one for the gauge won't affect the Engine Computer.
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Sunday, March 6th, 2011 AT 5:56 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Inspect and test the coolant temperature sensor-start here
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Sunday, March 6th, 2011 AT 5:57 PM

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