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Lexus
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2007
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GS 430
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Repair and Diagnosis
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Engine Performance
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Engine Control System (3UZ-FE)
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SFI System
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DTC P2419 Evaporative Emission Pressure Switching Valve Stuck ON; DTC P2420 Evaporative Emission Pressure Switching Valve Stuck OFF
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Monitor Strategy
Monitor Strategy
MONITOR STRATEGY CHART
Required Sensors/Components
Purge VSV and pump module
Frequency of Operation
Once per driving cycle
Duration
Within 2 minutes (varies with amount of fuel in tank)
MIL Operation
2 driving cycles
Sequence of Operation
None