Buick Century Problems

Corrosion At Ignition Coil Towers on Buick Century

Problem Description and Possible Solution

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.

(25 people reported this problem)

Buick Century Vehicles With This Problem

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Average mileage: 119,792 (75,000–175,000)
Engine affected: 3.1L V6
12 model years affected: 1994, 1995, 1996, 1997, more1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
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Viewing 1-5 of 5 comments
Engine light comes on and car is running rich and smells like gas. Mechanic checked for gas and showed me corrosion on ignition coils nd plug wires attached.
Engine was misfiring. Every time the car shifted it thumped and jerked. Replaced the faulty coil and the wires and plugs. 377 dollar fix at a mechanic.
about a month ago i got 2 of my ignition coils replaced and just recently they need replaced again after i payed 300 bucks for repairs now it jerks and havent got it fixed yet!