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Diagnostic code P1451 - Taurus Ford Cars & Trucks

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  • kcarmstrong Feb 01, 2009

    I have a 2001 ford escape 3.0 L and the P1451 code keeps coming up. The truck runs fine, but I would like to fix it.













  • Anonymous Apr 14, 2009

    2004 ford escape battery indicator light won't come off but charging is ok


  • Anonymous Mar 21, 2014

    Code1451 come up on diagnostic test and engine light comes on

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P1451 EVAP Control System Canister Vent Solenoid Circuit Malfunction

Posted on Jul 24, 2008

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blueextc3221
  • 15935 Answers

SOURCE: What does:

Technical Description:
EVAP Control System Canister Vent Solenoid Circuit Malfunction
The EVAP system monitors the canister vent (CV) solenoid circuit for an electrical failure.
The test fails when the signal moves outside the minimum or maximum allowable calibrated parameters for a specified canister vent duty cycle by PCM command.
Symptoms: You will likely not notice any drivability problems.
Causes: A code P1451 may mean that one or more of the following has happened:
*VPWR circuit open
*Damaged canister vent solenoid
*Canister vent solenoid circuit open or shorted to ground, power, etc.
*Damaged Powertrain Control Module (PCM)
*Possible SolutionsVerify canister vent solenoid - To verify normal functioning, monitor the EVAP canister vent solenoid signal PID EVAPCV and the signal voltage
(PCM control side).With the valve open, EVAPCV indicates 0% duty cycle and a voltage approximately equal to battery voltage.
When the valve is commanded fully closed, EVAPCV indicates 100% duty cycle, and a minimum voltage drop of 4 volts is normal.
Output test mode may be used to switch output on/off to verify function.
*Replace canister vent solenoid

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Posted on Sep 29, 2010

6ya6ya
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Posted on Jan 02, 2017

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Code p1451 de mustan 2000


P1451--Evap Control System Canister Vent Solenoid
Circuit Malfunction

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Type: OBD & the code

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Code p1451


Code P1451 is a EVAP control system canister vent solenoid circuit malfunction. If you're lucky it's just a bad gas cap but chances are the solenoid is bad or the wires leading to it are damaged or broken (more likely). Check the attached diagram for the canister location and have a look. If it's just damaged wires you can soldier a new wire splice in place and shrink tube it for protection. Make sure it's not going to rub against any metal that will damage it again. ec8c492f-73cf-4d32-ad19-4b1ac9f652f5.gif

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Loosing fuel but not visible in my 2000 Ford Expedition, also oil gauge seems to be reading high.


Did you fix the trouble Codes? Both are fuel related. There is a test done with a special machine called a "Smoke test". This could also find out if there are holes in your fuel tank and where.

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Error code p1451 on ford windstar 2002


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OBD2 code reader

Aug 22, 2012 | Ford Windstar Cars & Trucks

1 Answer

Scan code p1451


A code P1451 may mean that one or more of the following has happened:

  • VPWR circuit open
  • Damaged canister vent solenoid
  • Canister vent solenoid circuit open or shorted to ground, power, etc.
  • Damaged Powertrain Control Module (PCM)


(From Chinasinoy--Professional car diagnostic)
http://www.chinasinoy.com/

Aug 08, 2012 | Cars & Trucks

1 Answer

Service code 2002 ford escort 2.0 engine.p1451


A code P1451 may mean that one or more of the following has happened:
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  • Canister vent solenoid circuit open or shorted to ground, power, etc.

Dec 28, 2010 | Ford Escort Cars & Trucks

1 Answer

What is the code P1451 solution? Runs great, codes P1451, P0171 and P0174 are coming up and the engine light is on. Car needs to get inspected but codes need to be fixed.


P0171 - System too Lean (Bank 1)
P0174 - System too Lean (Bank 2)
P1451 - EVAP Control System Canister Vent Solenoid Circuit Malfunction
I'm afraid I don't have enough info to tell you how to fix the P1451 but I'm certain it's the cause of the other two codes.

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1 Answer

Default code P1451 Land Rover Discovery II


The code P1451 on a Land Rover is "Leakage Detection Module Motor power stage error Drive cycle A:Signal out of range - above maximum". This is an OBD-II diagnostic system code. As far as I know, a 1995 Land Rover Discovery does not use a OBD-II system. Is it possible that this rover is a later model year

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1 Answer

P0503 p1451 codes


do it step by step
p0503
1- change vss sensor and recheck
2- check wiring of vss sensor
p1451
1- check wiring of EVAP vent
2- change Evap vent

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