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Code dictionary Ford / Lincoln / Mercury

P1450Inability of Evaporative Emission Control System to Bleed Fuel Tank

This is a definition, not a repair instruction. It does not identify a failed part or establish that a vehicle is safe to drive.

Powertrain Community code reference

Reference scope

The source associates this definition with Ford, Lincoln, Mercury.

A manufacturer label does not establish the model, year, engine or module to which a diagnosis applies. Read the safety and diagnostic limits.

Separately researched

Vehicle-specific diagnosis

These guides address the exact vehicles and conditions in their sources. Select the guide that matches your vehicle.

Ford

Ford Escape/Fusion P1450 after refueling: match the purge-valve case

Separate a documented post-refueling start problem from a capless-inlet warning.

Definition source

  1. Community reference dataWal33D (Waleed Judah)
    DTC Database: pinned community code definitions

    Source checked · MIT

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BMW
P1450

Diagnostic Module Tank Leakage DM-TL Switching Solenoid Open Circuit

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Buick / Cadillac +7
P1450

Barometric Pressure Sensor Circuit

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Geo
P1450

Barometric Pressure Sensor Circuit Fault

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Kia
P1450

Excessive Vacuum Leak

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Mazda
P1450

Unable To Bleed Up Fuel Tank Vacuum

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Suzuki
P1450

Barometric Pressure Sensor Too Low Or Too High

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