Pontiac Grand Prix GTP Problem Report
Pontiac Grand Prix GTP Corrosion At Ignition Coil Towers
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.
Repaired at Pontiac dealership. Including tune up and fluids all changed and ignition coils. - V Hagg
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