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P1450 FORD

P1450 FORD - Unable to Bleed Up Bleed Fuel Tank Vacuum

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Possible causes
- Blocked EVAP canister or vent solenoid
- Kinked or collasped hose between canister and fuel tank
- Faulty Fuel Tank Pressure (FTP) sensor
- Fuel filler cap stuck closed, preventing vacuum relief
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When is the code detected?
Engine Control module (ECM) running system monitor and detected excessive vacuum in the fuel tank/EVAP system
Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1450 FORD Description
The Engine Control module (ECM) monitors the fuel vapor vacuum and pressure in the fuel tank. System failure occurs when the evaporative emission (EVAP) running loss monitor detects excessive fuel tank vacuum with the engine running, but not at idle.
FORD Technical Service Bulletins for P1450 code
1998 FORD EXPEDITION UNKNOWN OR OTHER Details
1998 FORD EXPLORER UNKNOWN OR OTHER Details
1998 FORD EXPLORER UNKNOWN OR OTHER Details
1998 FORD WINDSTAR ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL Details
1999 FORD EXPEDITION UNKNOWN OR OTHER Details
1999 FORD MOUNTAINEER UNKNOWN OR OTHER Details
1997 FORD F SERIES ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL Details
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