1989 Ford Probe GL, AutomaticFACTORY OEM SERVICE PROCEDURE

EGR BACKPRESSURE Variable Transducer

Remove transducer from vehicle. Plug port No. 1. See Fig 1 . Blow into exhaust gas port while applying vacuum to port No. 3, ensure vacuum is held. Release exhaust gas port and ensure vacuum is released. Replace EGR backpressure variable transducer if necessary.

Fig 1: Testing EGR Backpressure Variable Transducer
G106254Courtesy of FORD MOTOR CO.
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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