Montero Sport LTD 4WD V6-3.5L SOHC (1999)
Throttle Body: Testing and Inspection
INSPECTION
DASH POT
1. Push the dash pot rod in lightly and confirm the resistance.
NOTE:
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Resistance increases as the rod is pushed harder
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If the rod can be pushed in with no resistor, either the diaphragm or check valve is faulty.
2. Release finger and confirm that the rod returns to its original position quickly.
NOTE: If the rod returns slowly, the check valve is faulty