My 1990 Cadillac deville won't crank when turn the key to start up

Asked by Guru9WV44C Feb 23, 2021 at 11:48 PM about the 1990 Cadillac DeVille Sedan FWD

Question type: Maintenance & Repair

Any suggestions on what can be the problem why its not
cranking over n has a new battery in it, n tune up, change
spark plugs and spark plug wires n new distributor cap
and still not cranking over

5 Answers

27,790

i wondered about your security system? Try the relearn, see if it helps? I guess your saying the starter motor won't crank the engine?

158,175

There is no relearn procedure for the VATS security system that this Deville has. Is your Passkey Fault light or security system light on with a no crank condition? Or does the engine start, run a few seconds, then die? Jim

3 people found this helpful.
26,885

If its a VATS system, try a different key if you have one. the chip on the key may not be making contact. If that does not work, there are bypass harnesses available that disables the VATS system . About $25. I did that on my 91 Pontiac about 3 years ago and haven't had a problem since.

2 people found this helpful.
158,175

The number one problem with these is the ignition lock cylinder. The tiny wires inside break off. The computer can't read the chip on the key so it thinks you're trying to start the engine without a key. Hope that helps! Jim

2 people found this helpful.

Your Answer:

DeVille

Looking for a Used DeVille in your area?

CarGurus has 228 nationwide DeVille listings starting at $1,900.

ZIP:

Own this car?

Share your experience with others.

1990 Cadillac DeVille

Review another car

CarGurus Experts

  • #1
    James Sparrow
    Reputation
    4,090
  • #2
    tuff4x4
    Reputation
    3,120
  • #3
    Cynthiasmith
    Reputation
    2,840
View All

Know more, shop wisely

Search

Related Models For Sale

Used Cadillac Eldorado
115 listings
Used Cadillac Seville
40 listings starting at $1,999
Used Lincoln Town Car
19 Great Deals out of 371 listings starting at $1,500
Used Ford F-150
6,486 Great Deals out of 175,807 listings starting at $1,900
Used Chevrolet Corvette
696 Great Deals out of 12,988 listings starting at $6,995

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.