what may be causing the knocking in the engine while my lexus is in idle

Asked by May 09, 2013 at 11:41 PM about the 1992 Lexus SC 400

Question type: Maintenance & Repair

2 Answers

a vacuum leak.

255

Is it a "knock" or more like a "tick"?

1 people found this helpful.

Your Answer:

Lexus SC 400 Experts

  • #1
    Tom Demyan
    Reputation
    70
  • #1
    Mick Ireland
    Reputation
    70
  • #1
    Russell Murray
    Reputation
    70
View All

Related Models For Sale

Used Lexus SC 300
31 listings
Used Lexus LS 400
4 Great Deals out of 173 listings starting at $2,251
Used BMW 3 Series
1,037 Great Deals out of 30,174 listings starting at $900
Used Ford Mustang
303 Great Deals out of 40,193 listings starting at $1,312

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.