Why does my car lope while idle

1999 HONDA PRELUDE
167,000 MILES
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BRANDONC
  • MEMBER
  • 2 POSTS
Whistle when revved, and transmission slip while taking off and buck while in motion? and how do i fix it? i have replaced the o2 sensor, mapping sensor, and the idle air control just like o rileys said and it made absolutely no difference. i even let it idle 20 min. with the radiator cap off to get rid of air bubbles ive basically done everything i know to do so please help me out ???
Feb 1, 2012 at 8:45 PM
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JACOBANDNICKOLAS
  • CERTIFIED EXPERT
  • 110,175 POSTS
IF you hear a whistle, I would suggest checking for a vacuum leak. As far as the transmission slipping, is it a manual transmission? The clutch may be worn.
Feb 1, 2012 at 8:47 PM
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BRANDONC
  • MEMBER
  • 2 POSTS
no. automatic
Feb 1, 2012 at 8:54 PM
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JACOBANDNICKOLAS
  • CERTIFIED EXPERT
  • 110,175 POSTS
Make sure the trans fluid is clean and full.
Feb 1, 2012 at 8:59 PM