How many things can be wrong with a P0171 cde? I have cleaned the MAF with the correct cleaner, put in saefoam, checked for vacuum leaks.

265

Asked by Dec 24, 2014 at 10:13 AM about the 2003 Buick LeSabre Custom Sedan FWD

Question type: Maintenance & Repair

3 Answers

264,325

Keep checking for the vacuum leak. It's after the MAF somewhere. Start the car, open the hood and get start moving hoses around, listen for hissing/leak. You can spray some carb cleaner around and you idle should increase. Worst case you can have the car smoke tested at your local garage.

1 of 1 people found this helpful.
265

Thank you , I will give it a try.

265

I tried moving vac. hoses around and spraying. Also I tried spraying near the intake manifold, MAF sensor base,etc and no increase whatsoever in R. P.M. About 8 months ago it thru the same code but went away after a couple of days( and cleaning the MAF sensor.I used MAF cleaner spray) Mike

Your Answer

LeSabre

Looking for a Used LeSabre in your area?

CarGurus has 1,692 nationwide LeSabre listings starting at $899.

ZIP:

Buick LeSabre Experts

  • #1
    Tom Demyan
    Reputation
    2,330
  • #2
    John Saffrahn
    Reputation
    2,060
  • #3
    Austin Gaboda
    Reputation
    1,460
View All

Related Models For Sale

Used Buick Park Avenue
372 listings starting at $1,495
Used Chevrolet Impala
578 Great Deals out of 34,544 listings starting at $900
Used Buick Century
3 Great Deals out of 735 listings starting at $2,395
Used Buick Regal
144 Great Deals out of 7,479 listings starting at $3,995
Used Honda Accord
1,113 Great Deals out of 74,389 listings starting at $1,100
Used Toyota Camry
1,112 Great Deals out of 87,561 listings starting at $995
Used Mercury Grand Marquis
26 Great Deals out of 1,702 listings starting at $800
Used Chevrolet Malibu
1,037 Great Deals out of 62,796 listings starting at $880
Used Cadillac DeVille
6 Great Deals out of 1,496 listings starting at $1,999
Used Ford Taurus
244 Great Deals out of 15,126 listings starting at $1,800
Used Lincoln Town Car
27 Great Deals out of 1,686 listings starting at $1,099
Used Pontiac Grand Prix
13 Great Deals out of 2,661 listings starting at $1,750

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.