Corrosion may develop at the connection between the ignition coil tower and spark plug wire resulting in an engine misfire. The Ignition coil and spark plug wire should both be replaced to correct this condition.Google+
Car Problem Reports
Chevrolet Impala Corrosion At Ignition Coil Towers
Chevrolet Impala Problem
Engines Affected: 3.4L V6, 3.8L V6
Visitor, 2005 Chevrolet Impala, 3.8L V6
the engine works ruff and goes off....do not run smouth....looks that have electric problem or gas problem.