"Don46" wrote
> I have a 97 Taurus with the engine light on,the code comes up P1450 I was
> wondering if anyone might know what the problem might be??
One site (of many) says:
P1450 - Inability of Evaporative Emission Control System to Bleed Fuel Tank
A PDF document from Motorcraft says:
http://www.motorcraftservice.com/vdi...f/obdsm00a.pdf
(Phase 0 - initial vacuum pulldown):
First, the Canister Vent Solenoid is closed to seal the entire evap system,
then the VMV (Vapor Management Valve) is opened to pull a 7" H2O vacuum.
If the initial vacuum could not be achieved, a large system leak is indicated
(P0455). This could be caused by a fuel cap that was not installed properly,
a large hole, an overfilled fuel tank, disconnected/kinked vapor lines, a
Canister Vent Solenoid that is stuck open or a VMV that is stuck closed.
If the initial vacuum is excessive, a vacuum malfunction is indicated (P1450).
This could be caused by kinked vapor lines or a stuck open VMV. If a P0455
or P1450 code is generated, the evap test does not continue with subsequent
phases of the small leak check, phases 1-4.