Buick Terraza Problems

Corrosion of the Fuel Tank Harness Due to Water Leak on Buick Terraza

Problem Description and Possible Solution

Corrosion at the fuel tank to body harness may cause the Check Engine Light to illuminate or a crank no start condition. This corrosion issue is most commonly caused by a water leak inside the vehicle. Any damaged wiring or connectors will require replacement.

(4 people reported this problem)

Buick Terraza Vehicles With This Problem

RepairPal Verified
Average mileage: 108,500 (81,000–136,000)
2 model years affected: 2005, 2006
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