TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Ford for this TSB. Call your local Ford dealer's service department & ask for a copy of TSB# 6643.

Affected Component: VEHICLE SPEED CONTROL:CRUISE CONTROL

Summary

SOME VEHICLES WITH 4.0L OHV ENGINES BUILT AFTER 6/10/99 AT LOUISVILLE ASSEMBLY PLANT OR AFTER 6/14/99 AT ST. LOUIS ASSEMBLY PLANT MAY EXHIBIT A HIGHER THAN NORMAL BASE IDLE SPEED OF 1400-1600 RPM WHEN THE VEHICLE IS INITIALLY RECEIVED FROM THE ASSEMBLY PLANT. *TT

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