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NHTSA Defect Investigations for the 1998 Audi A4

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 1998 Audi A4, both ongoing and closed, are listed below:

  1. INVESTIGATION: DEGRADED BRAKING WET WEATHER CONDITION

    NHTSA Preliminary Evaluation #PE00016

    • Status:
      CLOSED
    • Date Opened: April 04, 2000
    • Date Closed: August 11, 2000
    • Recall: No recall issued

    Component(s): Electrical System

    Summary: There is no summary currently available

  2. INVESTIGATION: STUCK-OPEN THROTTLE

    NHTSA Engineering Analysis #EA04017

    Component(s): Fuel System, Gasoline:Fuel Injection System

    Summary: Vwoa has recalled approximately 28,300 MY 1998-99 A6 vehicles in cold weather states that experienced the highest rate of throttle icing incidents in the subject vehicles (04V-495).the failure rate in the A4 and passat vehicles is much lower than in the recalled vehicles.ODI will continue to monitor the experience in the A4 and passat vehicles.the closing of this investigation does not constitute a finding by NHTSA that no safety-related defect exists for the Audi A4 or VW passat vehicles.the Agency reserves the right to take further action if warranted by a change in circumstances. For further details see the attached closing report.

  3. INVESTIGATION: BRAKE AND CLUTCH PEDAL BRACKET

    NHTSA Preliminary Evaluation #PE02008

    • Status:
      CLOSED
    • Date Opened: January 23, 2002
    • Date Closed: July 12, 2002
    • Recall: No recall issued

    Component(s): Service Brakes, Hydraulic

    Summary:

  4. INVESTIGATION: DEGRADED BRAKING IN WET WEATHER

    NHTSA Engineering Analysis #EA00021

    • Status:
      CLOSED
    • Date Opened: August 11, 2000
    • Date Closed: March 29, 2002
    • Recall: No recall issued

    Component(s): Service Brakes, Hydraulic

    Summary: There is no summary currently available

  5. INVESTIGATION: POWER BRAKE BOOSTER VACUUM BY-PASS

    NHTSA Defect Investigation #RQ99008

    Component(s): Service Brakes, Hydraulic

    Summary: There is no summary currently available

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