Temperature gauge and oil pressure gauges not working properly

Tiny
JAMIE92
  • MEMBER
  • 2001 CADILLAC CATERA
  • AUTOMATIC
  • 100,000 MILES
The temperature gauge in the car isn't working and the oil pressure gauge keeps dropping while the car is in park. We don't know why.
Monday, September 9th, 2019 AT 7:30 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Welcome to 2CarPros.

Have you checked the coolant temperature sensor? It may be bad. As far as the oil pressure gauge dropping, how low does it get? Is there ever any noise from the engine when it drops low?

Take a look through these links and let me know if they mirror what you are experiencing.

https://www.2carpros.com/articles/how-a-coolant-temperature-sensor-works

https://www.2carpros.com/articles/symptoms-of-a-bad-coolant-temperature-sensor

https://www.2carpros.com/articles/coolant-temperature-sensor-cts-replacement

Also, let me know if there are any oil leaks.

I will watch for your reply.

Take care,
Joe
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Monday, September 9th, 2019 AT 7:35 PM

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