Tacoma Extra Cab 2WD V6-3.4L (5VZ-FE) (1998)
Dashpot: Testing and Inspection
DASHPOT INSPECTION (DP) - M/T
(a) Allow the engine to warm up to normal operating temperature.
(b) Check the idle speed.
Idle speed:
700 ± 50 rpm
(c) Remove the cap, filter and separator from the DP.
(d) Maintain engine speed at 2,500 rpm or more.
(e) Plug the VTV hole with your finger.
(f) Release the throttle valve.
(g) Check the DP is set.
DP setting speed:
1,800 - 2,200 rpm
(h) If the setting speed is not as specified, adjust it with the DP adjusting screw.
(i) Remove your finger from the hole and check that the engine returns to idle speed in approx. 1 second.
(j) Reinstall DP separator, filter and cap.
HINT: Install the filter with the coarser surface facing the atmospheric side (outward).