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Mitsubishi
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2001
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Montero XLS
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Self-Diagnostics
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Diagnostic Tests
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DTC P0450: EVAP System Pressure Sensor Malfunction
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Probable Causes
Probable Causes
Fuel Tank Differential Pressure (FTDP) sensor failed.
Open or short in FTDP sensor circuit, or loose connector.
Powertrain Control Module (PCM) failed.
Blocked fuel vapor lines.