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 Isuzu Trooper, both ongoing and closed, are listed below:

  1. INVESTIGATION: ENGINE COMPARTMENT FIRES

    NHTSA #DP92015

    Status:
    CLOSED

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  2. INVESTIGATION: REAR DOOR HINGE SEPARATION

    NHTSA #EA91033

    Status:
    RECALLED

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  4. INVESTIGATION: REAR DOOR HINGE SEPARATION

    NHTSA #PE91046

    Status:
    CLOSED

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  5. INVESTIGATION: HEATER CORE FAILURE

    NHTSA #EA92018

    Status:
    CLOSED

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  6. INVESTIGATION: DEFECTIVE HEATER CORES

    NHTSA #DP92005

    Status:
    CLOSED

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