Tacoma 2WD V6-3.4L (5VZ-FE) (1995)
Evaporative Emission Control Canister: Testing and Inspection
With California Emission
1. REMOVE CHARCOAL CANISTER.
2. VISUALLY INSPECT CHARCOAL CANISTER
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Look for cracks or damage.
3. CHECK FOR CLOGGED FILTER, AND STUCK CHECK VALVE AND DIAPHRAGM.
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While holding port B closed, blow air (1.47 kPa, 0.21 psi) into port A and check that air flows from port D.
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While holding port B and port D closed, blow air (1.47 kPa, 0.21 psi) into port A and check that air does not flow from port C.
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Apply vacuum (980 Pa. 7.4 mmHg. 0.29 in.Hg) to port B, check that the vacuum does not decrease when port C is closed, but decreases when
port C is released.