hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
97,333 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.

2004 Cadillac DeVille fuel system problems

fuel system problem

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2004 Cadillac DeVille Owner Comments

problem #3

Sep 162015


  • 117,000 miles


The contact owns a 2004 Cadillac Deville. The contact observed fuel leaking from the front of the vehicle without warning. The failure recurred several times. The vehicle was taken to an independent mechanic where it was diagnosed that the valve cover gasket failed and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 117,000.

- Dallas, PA, USA

problem #2

Sep 012014


  • 105,000 miles
Main computer failed while driving causing total loss of power. One pin was bad in the computer that controls the cars fuel, engine, etc. Replaced the defective computer costing over $1,000. Prior to the failure the check engine light came on many times. The computer did not store a code for this problem. This total loss of power is a costly safety issue.

- Bechtelsville, PA, USA

problem #1

Aug 012013


  • 70,000 miles
The contact owns a 2004 Cadillac Deville. The contact stated that the fuel filler tube corroded and as a result, it prevented the gas cap from completely closing causing the check engine warning light to illuminate. The vehicle was taken to the dealer. The technician diagnose that the fuel tank needed to be replaced. The vehicle had not been repaired. The manufacturer was notified of the issue. The approximate failure mileage was 70,000.

- West Union , IA, USA

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