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EGR Vacuum Transducer Test

  1. Disconnect and plug output (EGR) side of transducer. EGR transducer is located on side of intake manifold. See Fig 1 .
  2. Disconnect and remove EGR vacuum transducer from vehicle. Apply 1-2 lbs. of regulated air pressure to EGR vacuum transducer backpressure port. See Fig 2 . Apply at least 12 in. Hg of vacuum to input port. Replace EGR vacuum transducer if it will not hold vacuum.
    Fig 1: EGR System (Monaco & Premier 3.0L)
    G90A03225Courtesy of CHRYSLER MOTORS.
    Fig 2: EGR Transducer Testing (Monaco & Premier 3.0L)
    G90C03226Courtesy of CHRYSLER MOTORS.
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