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.
Corrosion of the Fuel Tank Harness Due to Water Leak on Buick Terraza
4 people reported this problem
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Viewing 1 - 2 of 2 problem details
2006 Buick Terraza 136,000 mi, Visitor
Check engine light came on. Was repaired by replacing the harness for EVAP system and fuel system. Also connection in floor.
2006 Buick Terraza 81,000 mi, Visitor