Rodeo (2WD) L4-2559cc 2.6L SOHC (4ZE1) (1991)
Fuel Pressure Regulator Vacuum Switching Valve: Testing and Inspection
Fuel Pressure / Canister VSV Connector
Fuel Pressure / Canister VSV Connector Pin ID
VSV CHECK
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Disconnect VSV connector.
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Using an ohm meter, check resistance between "LgY" and "BW" wires. If resistance is not approximately 30 ohms, replace VSV.
Canister And Pressure Regulator Vacuum Switching Valve
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Confirm that air passes between "throttle valve" and "pressure regulator" fittings
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Apply battery voltage to VSV wires "LgY" and "BW". Solenoid should click and air should pass between "common chamber" and "pressure
regulator" fittings.
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Replace VSV if faulty.