A faulty sensor in the engine block.
Yes I believe that Chevy Impalas are grandma cars!
Oshawa, Ontario
176,376
engine
depends, most do
They do not.
All SS Chevy Impalas' had the LT1.
Mine is running at 198 to 210.
Standard running temperature is 210 degrees Fahrenheit.
180.
22,567
180.