T100 Pickup 4WD V6-180.5 2959cc 3.0L SOHC (3VZ-E) (1993)
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Maintain engine speed at 2,500 rpm or more.
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Plug the Vacuum Transmitting Valve (VTV) hole with your finger.
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Release the throttle valve.
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Check the Dash Pot is set.
Dash Pot setting speed: 2,000 ( ± 200) rpm
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If not as specified, adjust with the Dash Pot adjusting screw.
5. Check operation of VTV
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Set the Dash Pot setting speed as shown in steps above.
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Remove your finger from the hole and check that the engine returns to idle speed in approx. 1 second.
