Corrosion At Ignition Coil Towers on Buick Rendezvous

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.

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Average mileage: (–)
Engine affected: 3.4L V6
4 model years affected: 2002, 2003, 2004, 2005
5 people reported this problem
1 person shared problem details
AWD disabled light is on and now the transmission seems to hesitate to shift
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