why does my car burn so much oil?

Asked by Jay Jul 30, 2011 at 10:08 AM about the 2003 Cadillac DeVille Sedan FWD

Question type: Maintenance & Repair

1 Answer

Jeff answered 13 years ago

Its caused by blow-by and worn valve seals. Don't accelerate hard and you may see an improvment in the amount of oil consumed, but your engine is showing signs of wear.

4 people found this helpful.
Mark helpful

Your Answer:

Related Questions

  • why does my car burn so much oil? 1 Answer

    2003 Cadillac DeVille Sedan FWD

    -

    Maintenance & Repair

  • Why is my car still idled so high? 1 Answer

    What's up everybody... my deville has I high idle when in park and while driving to where i have to hold 2 feet on the brake to stop it. I've changed the IAC and TPS and the car is still doing the ...

    2004 Cadillac DeVille DTS Sedan FWD

    -

    Maintenance & Repair

  • Why does my engine coolant completely get used? 2 Answers

    Why does my engine coolant get sucked up and then released back into the reservoir on my 2005 Cadillac Deville? I will fill up the coolant reservoir to the fill line. I cut my car on and after abou...

    2005 Cadillac DeVille DTS Sedan FWD

    -

    Maintenance & Repair

  • My Cadillac uses a gallon of coolant daily 1 Answer

    Why does my Cadillac uses so much coolant

    2000 Cadillac DeVille Sedan FWD

    -

    Maintenance & Repair

  • Why does my Cadillac keep needing a jump? 3 Answers

    My Cadillac DeVille keeps needing a jump. I've replaced the altinator and battery within last month. I don't know what else is going on. Can someone help?

    2003 Cadillac DeVille DHS Sedan FWD

    -

    Maintenance & Repair

Shortcuts

Search Cadillac DeVille Questions

CarGurus Experts

  • #1
    James Sparrow
    Reputation
    4,090
  • #2
    tuff4x4
    Reputation
    3,110
  • #3
    Cynthiasmith
    Reputation
    2,840
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Cadillac Eldorado
4 listings
Used Cadillac Seville
1 listing
Used Cadillac Escalade
21 Great Deals out of 376 listings starting at $6,900
Used Chevrolet Impala
9 Great Deals out of 107 listings starting at $4,632
Used Cadillac CTS
3 Great Deals out of 45 listings starting at $5,500
Used Lincoln Town Car
7 listings starting at $9,995
Used Mercedes-Benz S-Class
15 Great Deals out of 227 listings starting at $8,977
Used Ford Mustang
65 Great Deals out of 1,259 listings starting at $4,995

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.