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Mercury Truck
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2004
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Mountaineer 2WD V6-4.0L VIN E
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Evaporative Emissions System
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Testing and Inspection
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Pinpoint Tests
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Test C
Test C
PINPOINT TEST C: DTC P1450 EXCESSIVE VACUUM DETECTED IN THE
FUEL TANK
Test C1-C5:
Possible Causes
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DTC P1450 can be generated by:
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Blocked or restricted EVAP system components.
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Failed EVAP canister purge valve.