my car is idling up high without me pushing gas pedal. on 1999 Lexus ES300

It also jerks when I put it in gear, what causes this?

by in Birmingham, AL on February 23, 2012
3 answers 2 comments
ANSWER by on February 23, 2012
could be a vacuum leak. get a shop to check it for you. difficult to troubleshoot here without seeing it. Roy
COMMENT by on February 23, 2012
Thanks Roy, I plan on taking it to a shop
ANSWER by on February 24, 2012
COULD BE VAC LEAK OR BAD IDLE AIR CONTROL SYSTEM. HAVE IT DIAG BY YOUR MECH
COMMENT by on February 24, 2012
thank you, very much!
ANSWER by on May 05, 2015
my car changes speed independent of my inputs on the pedal