Ford P1450: Unable To Bleed Up Fuel Tank Vacuum

Is your scanner showing Ford P1450?
No worries. We'll show you what it means and how to deal with it.

Presented by

Randy Worner

00:00/00:00

Ford P1450: Unable To Bleed Up Fuel Tank Vacuum

OVERVIEW

Severity

Medium

DIY Difficulty Level

Intermediate

Repair Cost

$250-$560

Can I Still Drive?

Yes

What Does The Ford P1450 Code Mean?

This DTC sets when the evaporative emission (EVAP) running loss monitor detects excessive fuel tank vacuum with the engine running, but not at idle.

What Are The Symptoms Of The Ford P1450 Code?

Check engine light

What Are The Potential Causes Of The Ford P1450 Code?

EVAP purge valve stuck open
Blockages or kinks in the EVAP canister tube or EVAP canister purge outlet tube between the fuel tank, the EVAP purge valve and the EVAP canister
Fuel filler cap stuck closed, preventing vacuum relief (if equipped)
Capless fuel tank filler pipe damaged, preventing vacuum relief (if equipped)
Contaminated fuel vapor elbow on the EVAP canister
Restricted EVAP canister
EVAP canister vent valve stuck partially or fully closed
Plugged EVAP canister vent valve filter
VREF circuit open
Damaged FTP sensor

How Can You Fix The Ford P1450 Code?

Visually inspect the EVAP canister inlet port, EVAP canister vent valve filter, and EVAP canister vent hose assembly for contamination or debris. Check EVAP purge valve for vacuum leak.