3500 4x4 Pickup V10-488 8.0L Magnum (1994)
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Evaporative Emission Control Canister: Testing and Inspection
If Charcoal Canister is saturated with liquid fuel, check for proper Purge Shutoff Switch and Pressure/Relief Rollover Valve operation.
NOTE: The Charcoal Canister and Purge Shutoff Switch are a combined unit and are not serviced separately. If the purge switch or cannister is
defective the complete assembly must be replaced.