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The engine idle is too high what should I do.

Tiny
JACKSON 10
  • MEMBER
  • 1996 LEXUS LS 400
  • 180,000 MILES
Just bought this used lexis, I notice the idle is to high, and it cause the car to jump when switching into gears and braking. The car has a 180,000 miles and seems in good condition other then? Will the car itself improve its idle or do I have to take it to someone to have it fixed? Also how urgent is this.
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Thursday, May 9th, 2013 AT 4:33 AM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
High idling is bad for the transmission, engine mounts and drivetrain components as the vehicle woul jerk hard.

The problem is most likely be due to a stuck Idle Air Control (IAC) valve and cleaning it might work.

It is best to get it resolved asap as it also consumes more gas than necessary.
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Thursday, May 9th, 2013 AT 6:03 AM

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