2003 Cadillac Deville engine problems
16 owner complaints filed with NHTSA name the engine on the 2003 Cadillac Deville — 11% of all complaints for this model year.
What owners report
“I tried to explain to the dealership that unaware of the recall my cars breaks had failed and crashed my vehicle. They said the only thing that was affected was the key. I had told her that the result of my crash was from my breaks not working due to the recall. She told me no that that wasnt…”
filed Nov 20, 2021
“Tl* the contact owns a 2003 cadillac deville. The contact stated that the service engine light was illuminated. The vehicle was taken to the arrowhead cadillac (8310 w bell rd, glendale, az 85308 (623) 455-6910) where it was informed that the torque converter needed to be replaced. The vehicle was…”
filed Oct 30, 2018
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how…
16-NA-383 · Service Bulletin/Repair Instructions · issued Jun 28, 2024
Engine problems in other Deville years
| Year | Reports | Share |
|---|---|---|
| 2005 Deville | 10 | 11% |
| 2004 Deville | 17 | 10% |
| 2002 Deville | 17 | 10% |
| 2001 Deville | 14 | 8% |
| 2000 Deville | 9 | 4% |
| 1999 Deville | 4 | 2% |
| 1997 Deville | 1 | 0% |
| 1996 Deville | 1 | 0% |
| 1995 Deville | 2 | 2% |
| 1993 Deville | 1 | 1% |
| 1992 Deville | 1 | 1% |
| 1991 Deville | 1 | 1% |
Other reported problem areas on the 2003 Cadillac Deville
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.