Mechanics

ROUGH IDLE

2006 Toyota Corolla

Engine Performance problem
2006 Toyota Corolla 4 cyl Two Wheel Drive Automatic 82300 miles

car has new cat convertor, new 02 sensor, fuel system cleaning. Runs good but rough idle.
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Gregory p white
April 20, 2010.



Hi there,

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

Mark (mhpautos)

Mhpautos
Apr 20, 2010.