Asked by Sep 27, 2016 at 05:57 PM about the 2002 Cadillac DeVille

Question type: General

My 02 Cadillac deville temperature gauge
shows a reading when i first turn the ignition
on and it keeps saying check coolant but the
coolant is full .....Im totally lost any
answers? It has a Northstar Engine

3 Answers


Check the float device on the coolant reservoir, it may be bad or stuck reading low level


pressure test the cooling system- maybe it is something as simple as a bad radiator cap- but MAYBE.................

1 out of 1 people think this is helpful.

Our Deville did the same thing, it was just the sensor in the tank.

1 out of 1 people think this is helpful.

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