One problem related to fuel injection has been reported for the 1999 Cadillac Deville. The most recently reported issues are listed below.
The consumer states that the engine starts hard, more after sitting for a few minutes. (smells like fuel) the mechanic checked and found the fuel pressure regulator leaking/replaced the fuel pressure regulator.
| Tank Assembly problems | |
| Fuel Injection Rail problems | |
| Fuel Delivery problems | |
| Fuel Injection problems |