1979 Mazda RX-7 GS, Automatic TransFACTORY OEM SERVICE PROCEDURE

Auto. Trans. & Calif. Man. Trans. Equipped Models

  1. Disconnect vacuum switch and connect an ohmmeter to terminals "A" and "B". Start and run engine at idle.
    Fig 1: Testing Acceleration Sensor
    G09309996Courtesy of MAZDA MOTORS CORP.
  2. Increase engine speed to 3000 RPM and keep throttle lever in this position for 2-3 seconds. Quickly release throttle and check continuity between terminals. Continuity should exist for 3-25 seconds.
Factory Service Tools

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When to See a Mechanic

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.