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
2 people shared problem details
2006 Buick Terraza136,000Visitor
Check engine light came on. Was repaired by replacing the harness for EVAP system and fuel system. Also connection in floor.
2006 Buick Terraza81,000Visitor
After we fill up with gas the service engine light comes on,low fuel light appears and the tank...
fuel gauge on empty-check engine lite on - low fuel message - fuel tank is full
the check engine light was on i had it checked and the code po449came up
The light is on after the car ran out of fuel. Now the light remains on. I just bought the c...
The ac drain hose has been checked by 2 different professionals and it is clear. The water intr...