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.
Sunday, March 6th, 2011 AT 5:43 PM

2 Replies

Tiny
CARADIODOC
  • MECHANIC
  • 34,330 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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