1999 Lexus GS 300 rough idle

1999 LEXUS GS 300
240,000 MILES • 3.0L • 6 CYL • RWD • AUTOMATIC
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LGUILLOT007
  • MEMBER
  • 1 POST
It idles very rough while stopped while it is in geap
Feb 7, 2015 at 12:37 AM
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WRENCHTECH
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 20,761 POSTS
The first step would be to scan the computer for any stored codes for a starting point. Without any stored codes it's going to require someone with knowledge and experience to observe the issue and try to recognize what the engine may actually be doing.
Feb 7, 2015 at 6:23 AM
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