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July 1, 1999 Service bulletin

Experiencing a vibration or buzz felt through the accelerator pedal which is most noticeable during...

Ford technical service bulletin 6638 for 1999 Ford Explorer and 1999 Mercury Mountaineer.

Bulletin number
6638
Component
Vehicle speed control: accelerator pedal
Summary
Experiencing a vibration or buzz felt through the accelerator pedal which is most noticeable during acceleration under 2000 rpms. Tt

Owners of these vehicles have filed 159 complaints in the acceleration category.

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