S40 L4-1.9L Turbo VIN 29 B4204T3 (2001)
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Connect vacuum pump 999 5843 VACUUM PUMP AT See: Tools and Equipment/999 5843 Vacuum Pump AT to point A.
Is there a vacuum?
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Yes: Constant vacuum
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No: Defective canister purge (CP) valve
Defective canister purge (CP) valve
Replace the canister purge (CP) valve, see Replacing the canister purge (CP) valve See: Service and Repair/Removal and Replacement.
Constant vacuum
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Connect the positive and negative power cables to the canister purge (CP) valve connection.
The vacuum should reduce. Replace the valve if it is not functioning correctly, see Replacing the canister purge (CP) valve See: Service and
Repair/Removal and Replacement.
