NHTSA Investigation EA99001

THROTTLE STICKING

ON JANUARY 23, 1997, FORD MOTOR COMPANY ISSUED SPECIAL SERVICE MESSAGE (SSM) 10240, ANNOUNCING THAT A REVISED THROTTLE BODY WOULD BE AVAILABLE DURING THE FIRST QUARTER OF 1997 FOR 1997 MODEL YEAR FORD EXPLORERS EQUIPPED WITH THE 4.0L SINGLE OVERHEAD CAM (SOHC) ENGINE.THE SSM STATED THE REVISED THROTTLE BODY WOULD ADDRESS INCREASED THROTTLE EFFORTS THAT HAD BEEN EXPERIENCED ON THESE VEHICLES.ON JULY 31, 1998, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED SERVICE QUERY SQ98-014 TO DETERMINE WHETHER A SAFETY RECALL WAS WARRANTED FOR THE PROBLEM ADDRESSED BY SSM 10240.AT THAT TIME ODI HAD 14 REPORTS ALLEGING THROTTLES STICKING OPEN, INCLUDING THREE CRASHES, ON 1997 EXPLORERS WITH THE 4.0L SOHC ENGINE.EA99-001 INVESTIGATED ALLEGED THROTTLE BODY STICKING, AND LOSS OF THROTTLE CONTROL, IN THE SUBJECT VEHICLES.ON DECEMBER 22, 2000, FORD MOTOR COMPANY FILED A DEFECT INFORMATION REPORT CONCERNING THROTTLE BODY STICKING IN 1997-1998 MODEL YEAR EXPLORER AND MOUNTAINEER VEHICLES WITH 4.0 SOHC ENGINES THAT STILL RETAIN THE ORIGINAL THROTTLE BODY; SAFETY RECALL 00V-422.THE ENGINEERING ANALYSIS CLOSING REPORT IS ATTACHED.

An investigation is a separate record from a recall and from a manufacturer communication. A manufacturer campaign to repair a safety defect or a failure to meet a federal safety standard.