The Office of Defects Investigations (ODI) is an office within the NHTSA which investigates serious safety problems in the design, construction or performance of vehicles. The NHTSA is authorized to order manufacturers to recall and repair vehicles, if the ODI finds a safety issue. NHTSA investigations for the 1991 Ford Bronco, both ongoing and closed, are listed below:

1. INVESTIGATION: IDLE AIR SPD CTRL VLV MALF

   NHTSA #EA93022

   Status:

   CLOSED

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2. INVESTIGATION: IDLE AIR SPD CTRL VLV MALF

   NHTSA #PE93010

   Status:

   CLOSED

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4. INVESTIGATION: FRONT SEAT BACK FAILURE

   NHTSA #EA92029

   Status:

   CLOSED

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5. INVESTIGATION: FNT RECLNING SEAT BCK FAIL

   NHTSA #PE92042

   Status:

   CLOSED

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6. INVESTIGATION: FUEL EXPULSION

   NHTSA #EA93001

   Status:

   RECALLED

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7. INVESTIGATION: FUEL EXPULSION

   NHTSA #PE92077

   Status:

   CLOSED

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