9-5 Sport Wagon (9600) V6-3.0L Turbo (B308) (2003)
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Leak Detection Solenoid: Description and Operation
Tank Integrity Diagnosis
Tank Integrity Diagnosis
It is possible to check the evaporative emission system for leaks with the tank integrity diagnosis. If there is a leak, it will not be possible to create or
retain a vacuum in the system during the diagnosis.
The diagnosis logic has been improved to give a more reliable diagnosis. Two tests must have failed during the same driving cycle before a diagnostic
trouble code is generated.
The diagnosis is performed once per trip and its objective is to determine whether a leak corresponding to a hole larger than 0.5mm (0.020 inch) in
diameter is present in the evaporative emission system.
