Solenoid Valve

1991 Mazda RX-7 Base, 2D Convertible, StandardSECTION Solenoid Valve

Disconnect vacuum hose from solenoid valve port "A". Blow through port "B". See Fig 1 . Verify air flows from valve air filter. Disconnect solenoid valve connector. Connect 12 volts and a ground to solenoid valve terminals. Blow through valve port "B" and ensure air flows from port "A". Replace solenoid valve if it does not perform as indicated.

Fig 1: Testing VDI Actuator
G117758Courtesy of MAZDA MOTORS CORP.
RENDER: 1.0x

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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.