NHTSA Investigation
EA99001
THROTTLE STICKING
Key Takeaways
- Investigation EA99001 currently maps to 2 tracked vehicle-year pages across 1 make.
- This page summarizes the public investigation subject, status, timing, and affected tracked vehicles linked from NHTSA source data.
- The linked component on this record is vehicle speed control:linkages.
- This investigation record also references recall campaign 00V422000.
What This Investigation Page Shows
This page summarizes a public NHTSA investigation record tied to one or more tracked vehicle-year pages in our database. Investigation records sit between owner complaints and recall campaigns: they can remain open, close without a recall, or connect to a later remedy action. Use this page to see which tracked vehicles are linked to the record, then open the individual vehicle pages for complaints, recalls, and crash test context.
Investigation Summary
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.
Manufacturer listed on the source record: Ford Motor Company
Component listed on the source record: VEHICLE SPEED CONTROL:LINKAGES
Affected Vehicles (2)
Browse Affected Vehicles
Affected Models
All data is sourced from NHTSA public records. This site is not affiliated with, endorsed by, or operated by the National Highway Traffic Safety Administration or any government agency. Complaints are unverified consumer reports submitted to NHTSA and may not reflect confirmed defects. For official information, visit nhtsa.gov.
Latest vehicle import recorded anywhere on this site: Oct 8, 2026. Individual vehicles and datasets may have older records; this is not this page's update date.