Three problems related to other fuel system have been reported for the 2003 Cadillac Deville. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Cadillac Deville based on all problems reported for the 2003 Deville.
Fuel level sensor stopped working , also after I gotten my transmission rebuilt and my front motor mount placed in the car no longer cranks like normal . Takes a while to turn over, key slides out , steering wheel is hard to turn while during and steering wheel jerks in the other direction while turning . The power steering has a leak and also the air ride suspension has stopped working lowered the car and shocks have lowered . Nhtsa campaign 14v355000 NHTSA campaign 03v238.
Takata recall - the air bag light is staying on all the time. The service engine light comes on occassionally after I put gas in.
The wheel monitoring light continues to indicate a malfunction. The ignition switch slot prevents me from removing the key. To remove the ignition key, I have to manipulate the gear handle in order align the extraction of the key.
| Other Fuel System problems | |
| Other Fuel System Tank Pressure Relief Devices problems |