Why my buick lesabre idles so high?

Asked by Apr 17, 2014 at 01:38 AM about the 1989 Buick LeSabre Custom Sedan FWD

Question type: Maintenance & Repair

My 89 Buick Lesabre idles too high,it started when this guy put a TPS sensor on and didnt adjust it & now I cant find the guy nowhere,also,since that was done it wont shift into overdrive whemI am on the freeway.All this started happening when the TPS sensor was put on without adjusting it,The car runs alirght but always at a high idle,need for someone who has had this issue to help me get this car running right,I have been told alot of things lately but please someone tell me what the problem is if you have went thru something like this.Hope to hear from SOMEONE SOON.l

4 Answers

23,335

loosen the two screws that hold the tps and turn it while idling ,you don't have to remove it just a 1/8 turn

3 people found this helpful.

Did that and still nothing.

8,545

is the vaccuum hose still on the vaccuum modulator and routed to the throttle body?? might replace that hose just to be sure.

2 people found this helpful.

where is the vaccuum modulator located?

3 people found this helpful.

Your Answer:

LeSabre

Looking for a Used LeSabre in your area?

CarGurus has 1,259 nationwide LeSabre listings starting at $1,750.

ZIP:

Buick LeSabre Experts

  • #1
    Tom Demyan
    Reputation
    2,480
  • #2
    John Saffrahn
    Reputation
    2,210
  • #3
    Austin Gaboda
    Reputation
    1,510
View All

Related Models For Sale

Used Buick Regal
91 Great Deals out of 3,929 listings starting at $5,300
Used Buick Century
535 listings starting at $3,995
Used Honda Accord
566 Great Deals out of 103,985 listings starting at $950
Used Cadillac DeVille
1,263 listings starting at $2,000
Used Toyota Camry
759 Great Deals out of 73,415 listings starting at $1,195
Used Chevrolet Caprice
146 listings starting at $1,350
Used Lincoln Town Car
28 Great Deals out of 1,469 listings starting at $1,900
Used Ford Taurus
184 Great Deals out of 15,879 listings starting at $600

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.