1999 Cadillac Deville temp goes up to 230

1999 CADILLAC DEVILLE
11,199 MILES • V8 • FWD • AUTOMATIC
Avatar
SANDYLCORLEY
  • MEMBER
  • 1 POST
After driving a short distance the engine temp can hit 220-230 degrees. Once the RPM's go up the temp goes down. What is the optimal temp it should be running at? Is this a serious problem?
Sep 26, 2009 at 11:56 AM
Advertisement
Avatar
RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Replace the thermostat and test the coolant temperature sensor-
Sep 26, 2009 at 2:16 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.