My 2003 dhs has 158k miles.. Idle just became unsteady

Asked by Jan 17, 2017 at 01:18 PM about the 2003 Cadillac DeVille DHS Sedan FWD

Question type: Maintenance & Repair

This car usually runs/idles perfectly just recently once hot idle starts stuttering
down from 750 rpm to 500 rpm continuously , slowly and  wavy not sharp .
Before I dive in to replace filter looking to see if you guys have any tips or
maybe could be something other than the fuel filter

1 Answer

3,555

I would clean the idle air control first , and check fuel pressure when it wants to die before replacing the filter , no codes ? check for codes even if the check engine light isn't on . No sense in spending money if you don't know what the problem is , unless you don't mind .

Your Answer

Cadillac DeVille Experts

  • #1
    kikero
    Reputation
    2,250
  • #2
    Js08016
    Reputation
    1,940
  • #3
    Cynthiasmith
    Reputation
    1,700
View All

Related Models For Sale

Used Cadillac CTS
11 Great Deals out of 361 listings starting at $2,500
Used Lincoln Town Car
21 listings starting at $1,850
Used Cadillac Escalade
5 Great Deals out of 467 listings starting at $4,980
Used Chevrolet Impala
171 Great Deals out of 1,059 listings starting at $996
Used Mercedes-Benz S-Class
8 Great Deals out of 125 listings starting at $2,988
Used Ford F-150
606 Great Deals out of 10,666 listings starting at $3,000
Used Lincoln Continental
52 listings starting at $53,999

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.