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post #1 of 3 (permalink) Old 09-26-05, 07:01 PM
Don46
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engine light

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??



 
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post #2 of 3 (permalink) Old 09-27-05, 06:01 AM
MasterBlaster
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Re: engine light


"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.

 
post #3 of 3 (permalink) Old 09-27-05, 08:01 AM
Mike Hunter
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Re: engine light

I know.

mike hunt


"Don46" <dpear1959@aol.com> wrote in message
news:99c4e41cfd7dbf66d409ad862112a0e9@localhost.talkaboutautos.com...
>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??
>



 
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