2006 Toyota Corolla rough idle

82,300 MILES • 4 CYL • 2WD • AUTOMATIC
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GREGORY P WHITE
  • MEMBER
  • 1 POST
car has new cat convertor, new 02 sensor, fuel system cleaning. Runs good but rough idle.
Apr 20, 2010 at 4:16 AM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
Hi there,

scan for any unresolved fault codes, check plugs and leads for faults, check for any manifold vacuum leaks, start here.

mark (mhpautos)
Apr 20, 2010 at 1:00 PM
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