1991 500sl idles at 2000 rpms

Asked by tb20 Apr 10, 2015 at 11:25 AM about the 1991 Mercedes-Benz SL-Class 500SL

Question type: Maintenance & Repair

replaced idle control sensor car still idles at 2000 rpms in park and neutral goes to normal
rpms in gear

1 Answer
17,705

CamaroCollector answered 9 years ago

Possible small vacuum leak, check for cracked or brittle hoses, replace as needed, use some brake clean and spray around throttle body gasket area, if a leak is there the idle will go to normal then increase again, if so replace gasket and while your in there, clean the throttle body.

Mark helpful

Your Answer:

Related Questions

  • 1991 500sl idles at 2000 rpms 1 Answer

    replaced idle control sensor car still idles at 2000 rpms in park and neutral goes to normal rpms in gear

    1991 Mercedes-Benz SL-Class 500SL

    -

    Maintenance & Repair

  • a/c problem on 1991 500sl 2 Answers

    "Hi I have a 500sl 1991 with a a/c problem, the compressor works just above 1000 rpm, if you leave the gas pedal the compressor cuts off and won't work again until you turn off and turn on the engine ...

    1994 Mercedes-Benz SL-Class SL 500

    -

    Maintenance & Repair

  • 500sl abs and asr lights on. Occasionally shuts down on ruff roads 2 Answers

    On my 500sl, the abs and asr lights come on. Then it will occasionally shut off when braking over bumps.

    1992 Mercedes-Benz SL-Class 500SL

    -

    Maintenance & Repair

  • Question on 500sl Mercedes Radio 2 Answers

    Have a 500 SL (2000 yr). Radio works but volume knob is stripped and is set fairly low. Is there a way to raise volume to acceptable level... or exchange vol control knob..? Anyone know how to...

    2000 Mercedes-Benz SL-Class SL 500

    -

    Maintenance & Repair

  • I replaced the convertible roof on a 2000 mercedes SL500 how do I synchronize the sides 3 Answers

    I replaced the convertible roof on a 2000 mercedes SL500 how do I synchronize the sides? How to get at and open control box to synchronize

    2000 Mercedes-Benz SL-Class SL 500

    -

    Maintenance & Repair

Own this car?

Share your experience with others.

1991 Mercedes-Benz SL-Class

Write a car review

Review another car

Shortcuts

Search Mercedes-Benz SL-Class Questions

CarGurus Experts

  • #1
    bobkat
    Reputation
    2,640
  • #2
    Michael Kane
    Reputation
    700
  • #2
    twhobie
    Reputation
    700
View All

Know more, shop wisely

Search

Related Models For Sale

Used Porsche 911
377 Great Deals out of 3,850 listings starting at $16,500
Used Chevrolet Corvette
692 Great Deals out of 12,034 listings starting at $3,046
Used Ford Mustang
916 Great Deals out of 22,896 listings starting at $1,502
Used Mercedes-Benz G-Class
127 Great Deals out of 2,904 listings starting at $24,900
Used BMW M3
50 Great Deals out of 1,069 listings starting at $13,495

Used Cars for Sale

2024 Mercedes-Benz SL-Class For Sale
329 listings starting at $110,976
2023 Mercedes-Benz SL-Class For Sale
3 Great Deals out of 394 listings starting at $89,880
2022 Mercedes-Benz SL-Class For Sale
10 Great Deals out of 119 listings starting at $97,460
2020 Mercedes-Benz SL-Class For Sale
3 Great Deals out of 38 listings starting at $51,995
2019 Mercedes-Benz SL-Class For Sale
37 listings starting at $32,549

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.