Problems for specific Cadillac DeVille years:
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Most reported 2000 Cadillac DeVille problems
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
The rubber section of an automatic transmission cooler line may develop a fluid leak . In some cases the leaking section of hose can be replaced. In others, the complete cooler line must be replaced to correct this concern.
The steering wheel position sensor may fail, resulting in the service stability message being displayed.
This powertrain control module (PCM) may develop a fault with its electrical ground location at the front of the engine block near the starter motor.
A coolant leak may develop from the water pump. The engine may overheat as a result of the coolant loss. A leaking water pump should be replaced.