definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
43,388 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

1996 Cadillac DeVille fuel system problems

fuel system problem

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1996 Cadillac DeVille Owner Comments

problem #4

Mar 312009


  • miles


The contact owns a 1996 Cadillac Deville. While driving approximately 60 mph on normal road conditions, the contact smelled a strong odor of fuel inside and outside the vehicle. On a separate occasion, the odor was present when the engine was started after several attempts. There were no warnings prior to the failures. The vehicle was taken to an independent mechanic for diagnostic testing. The contact was informed that the nylon tubing used in the fuel rail contributed to fuel leakage in the engine. The original part was discontinued and the replacement component would cost $400. The VIN was excluded from NHTSA campaign id number 04V110000 (fuel system, gasoline:delivery;hoses, lines/piping, and fittings), although the failures were identical. The vehicle has not been repaired. The VIN and mileages were unknown.

- Chicago, IL, USA

problem #3

Jul 102008


  • 114,000 miles
Upon approaching the 1996 Cadillac Deville it was noted that a fluid was dripping from behind the left front wheel. Inspection revealed that the leak was gasoline - opening the hood found no leaks. Car was started in order to relocate it in the drive way, within a minute of starting there was a strong blast of vaporized gasoline spraying on the driveway. Car was immediately shutoff. Further inspection showed there was a leak from the plastic fuel line under the floor at a location under the driver's seat. The plastic fuel line is mounted parallel the body and it is about 9 inches outboard of the catalytic converter. This was the first time that day that the car was started. The car was towed to the Cadillac dealer where it was repaired by installing a new fuel harness - part number 25644121 at a cost of $608 to me. Any design that uses plastic (nylon) fuel lines placed so close to the hottest part of the car is just plain irresponsible !

- Arlington, VA, USA

problem #2

Apr 112003

DeVille 8-cyl

  • 59,550 miles
The fuel pump was inoperative. The dealer was notified. * fuel pump failed caused by metal shavings found in plastic fuel tank. Fuel pump and tank were replaced.

- Eureka, SD, USA

problem #1

May 211996


  • Automatic transmission
  • miles
Vehicle backfires when started.

- Republic, MO, USA

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