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Home >> Mazda >> 1982 >> RX-7 GSL, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Idle Compensation System >> Testing >> Throttle Opener
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Throttle Opener

  1. Switch off all accessories. Remove fuel filler cap. Disconnect and plug idle compensator tube at air cleaner. Connect tachometer to engine and warm engine to normal operating temperature.
  2. Disconnect electrical connector from switching solenoid valve (Gray color dot). Disconnect and plug vacuum sensing tubes from vacuum control units on distributor (except Calif. Man. Trans.). Turn air conditioner off. Disconnect electrical connector from air conditioner solenoid valve and connect battery power to solenoid terminals.
  3. With battery power applied to solenoid terminals, throttle opener should increase engine speed from idle to 1150-1250 RPM (in Neutral). If engine speed is not within specification, turn adjusting nut on throttle opener arm until engine speed is within specification.
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