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Pontiac Montana Problems

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

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.

(3 people reported this problem)

Pontiac Montana Vehicles With This Problem

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Average mileage: (–)
1 model year affected: 2006
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