Corrosion of the Fuel Tank Harness Due to Water Leak on Pontiac Montana

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.

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Average mileage: (–)
1 model year affected: 2006
1 person reported this problem
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