02 Buick roundezvous increase idle problem

Asked by GuruBW7V9 Dec 17, 2018 at 10:43 AM about the 2002 Buick Rendezvous CX AWD

Question type: Maintenance & Repair

My van increases idle at random and in order
to stop it I have to apply breaks. It will return
to driving normal but has happened twice
about a week apart. Driving feels unsafe/
does anyone have an idea? Heard it may be
sensor but which one?

1 Answer
42,870

Hornet_2497 answered 5 years ago

If the idle speed increases while braking. (Braking causes the idle speed to increase.) You probably have a vacuum leak in the brake booster. This leak allows extra air into the intake manifold, making it idle faster. Have is checked out, especially if it's not feeling safe to drive.

1 people found this helpful.
Mark helpful

Your Answer:

Related Questions

  • 02 Buick roundezvous increase idle problem 1 Answer

    My van increases idle at random and in order to stop it I have to apply breaks. It will return to driving normal but has happened twice about a week apart. Driving feels unsafe/ does anyone have a...

    2002 Buick Rendezvous CX AWD

    -

    Maintenance & Repair

  • 02 Buick rendezvous ignition 3 Answers

    02 Buick rendezvous started the key in the farthest position windshield wipers don't work AC don't work radio don't work pull it back just a fraction of a hair where it's still running everything w...

    2002 Buick Rendezvous CXL AWD

    -

    Maintenance & Repair

  • 2002 buick rendezvous fuel gauge problem? 3 Answers

    I have a 2002 buick rendezvous. If you're start the car and do not pull off the fuel gauge go to empty.and goes low fuel

    2002 Buick Rendezvous CX FWD

    -

    Maintenance & Repair

  • 2004 buick rendezvous 2 Answers

    So I have a 2004 Buick Rendezvous with 220000 miles on it when I am driving if my RPMs go above 2500 I lose all acceleration if I let up off the pedal and press the pedal again I can accelerate as ...

    2004 Buick Rendezvous CXL AWD

    -

    Maintenance & Repair

  • 2003 Buick Rendezvous transmission problem 3 Answers

    My 2003 rendezvous slips into neutral between 1st and 2nd gear but just for a few seconds when cold. Once the transmission is warm the problem goes away. Any ideas as to what's wrong?

    2003 Buick Rendezvous CX FWD

    -

    Maintenance & Repair

Shortcuts

Search Buick Rendezvous Questions

CarGurus Experts

  • #1
    jimmypd65
    Reputation
    1,050
  • #2
    Bilhar
    Reputation
    960
  • #3
    Randal Davis
    Reputation
    910
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Ford Mustang
41 Great Deals out of 1,627 listings starting at $5,977
Used Ford Explorer
58 Great Deals out of 2,040 listings starting at $6,990
Used Ford F-150
310 Great Deals out of 13,812 listings starting at $3,800
Used Honda Pilot
41 Great Deals out of 933 listings starting at $1,230

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.