toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Fuel Delivery and Air Induction|Fuel > < Fuel Delivery and Air Induction|Locations|Page 1500
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Dashpot: Adjustments

1. Warm up the engine.
2. Check idle speed and adjust if necessary, refer to IDLE SPEED under ADJUSTMENT PROCEDURES.
3. Check Dashpot speed setting:

a. Remove the cap and filter from the Dashpot.

Dashpot Assembly - Exploded View

b. Race the engine at 2500 rpm for a few seconds.
c. Plug the VTV hole.

Plugging The VTV Hole

d. Release the throttle valve.
e. Check that the Dashpot speed setting is at 2000 rpm.
f.

If the speed is not as specified, adjust the Dashpot with the adjusting screw.

Dashpot Adjusting Procedure Step 1

Dashpot Adjusting Procedure Step 2

g. Reinstall the Dashpot filter and cap.

Fuel Delivery and Air Induction|Fuel > < Fuel Delivery and Air Induction|Locations|Page 1500