It also jerks when I put it in gear, what causes this?
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1999 Lexus ES300 Question: my car is idling up high without me pushing gas pedal.
Answer #1mastertech6371 February 23, 2012, 19:57Master
could be a vacuum leak. get a shop to check it for you. difficult to troubleshoot here without seeing it.
Replybreezy7777, February 23, 2012, 20:00Rookie
Thanks Roy, I plan on taking it to a shop
Answer #2Greg's Orange Auto (14224 Answers) , Orange, CA - (714) 361-9386globalhelper February 24, 2012, 06:49Master
COULD BE VAC LEAK OR BAD IDLE AIR CONTROL SYSTEM. HAVE IT DIAG BY YOUR MECH
Replybreezy7777, February 24, 2012, 08:23Rookie
thank you, very much!