Question about Ford Aerostar

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Comes on and stays on. brought it to autozone and they are saying it could be a number of things. such as a failed evap pressre sensor, blocked hose bewteen purge valve and ftp sensor, evap purge valve stuck closed. Please help me as I don't want to throw money out the window.

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  • right_one Apr 27, 2010

    HELLO,



    THANKS FOR YOUR RAPID REPLY NOW TO ANSWER YOUR QUESTIONS. IT IS A 1996 FORD AEROSTAR 3.0 LITER. IT IS THE YELLOW CHECK ENGINE LIGHT THAT IS ON AND STAYS ON. PLEASE GET BACK TO ME ASAP WITH A SOLUTION.



    THANKS,

    JASON

  • right_one Apr 27, 2010

    CODE IS P1443

  • right_one Apr 27, 2010

    I HAVE A 1996 FORD AEROSTAR VAN AND THE CHECK ENGINE LIGHT IS ON AND STAYS ON. BROUGHT IT TO AUTOZONE AND THEY CAME UP WITH A CODE P1443. WHAT DOES THIS MEAN?

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It is a Evaporative Emission Control System Control Valve/Canister Purge Assembly problem.
problems could be: Obstructed, open, or cracked hoses between EVAP canister purge valve and intake manifold.
Damaged EVAP canister purge valve. A P1443 is related to the canister purge system. Most likely you have a faulty canister purge valve and flow sensor.
Unfortunately, the P1443 code doesn't point to any one specific part of the evaporative emission system Hope this helped i mean the problem is theres like 8 different things it can be i would make sure all of your hoses have no leaks then start at your canaster and move on from there to your valves to make sure their no clogged

Posted on Apr 27, 2010

  • dave taylor Apr 30, 2010

    did i answer this for you because u just wanted to know what the code meant i told you what the code was and scenarios of fixing the problem?

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  • Ford Master
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I am a Ford dealer tech with a master cert in engine control diasgnosis and repair, needmore information from you to help, U mean the check engine light comes on, yellow light? 2nd what is the year of the van, last what are the fault codes you have in computers memory.

Posted on Apr 27, 2010

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  • yadayada
    yadayada Apr 27, 2010

    let me research this code and get back to u, this may require a trip to the dealer.

  • yadayada
    yadayada Apr 27, 2010

    You know u have to give me time to answer the problem, these systems are very complex, went to school for years to learn this electronic control system which is called EEC V, since u have already given me a not helpful rating i guess u don't need my help. Good luck

  • yadayada
    yadayada Apr 27, 2010

    BY THE WAY THIS IS NOT AN EGR VALVE PROBLEM, IF U NEED MORE INFO PLEASE CHANGE MY RATING, THANKS

  • yadayada
    yadayada Apr 27, 2010

    IF U WANT THE REPAIR ANSWER CONTACT ME AT HOME, 925-577-7157

  • yadayada
    yadayada Apr 27, 2010

    OK HERE IT IS, U NEED TO REPLACE THE EVAP SYSTEM CANISTER PURGE VALVE AND MAKE SURE THE RUBBER HOSES TO IT ARE NOT LEAKING, REPAIR AS NEEDED.



    HERE ARE THE BEST INSTRUCTIONS FOR THIS JOB I HAVE.



    First you have to remove the air filter housing, to see the carbon canister with hoses. The canister is oval, from top view. There are two evaporative emissions devices that connect to this canister. One is the Purge Valve Sensor, it is like a one inch black box with wire connectors and two connectors for tube on top. The other is the evaporative emissiong purge soleniod. It is usually a white plastic cylinder, about 2 inches long and also with two connectors for tubing. Make sure you make note of the correct direction of the two tubes when replacing or cleaning. The solenoid will show an arrow indicating direction to motor.

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Po336 crankshaft position sensor A range / performance


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CKP sensor signal circuit connections loose (intermittent fault).CKP sensor wiring harness has a connection fault (intermittent).CKP to Target Wheel "air gap" is incorrect.CKP sensor is damaged or has failed.Must remove to see.Trouble Code: P0440

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Fuel filler cap damaged, cross-threaded or loosely installed.Small hoses or cuts present in the EVAP vapor hoses/lines.EVAP purge valve is damaged or has failed.Here you are the symptons.

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Blocked Hose
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Here's list why your car is coming up with this code. It could be any of these things causing it.
DTC detecting condition:
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http://www.obd-codes.com/p0440
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