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  • in reply to: Loose PCV valve causing terrible idle/stalling? #845242
    Bernie DucksworthDavid
    Participant

      If will stay running and will stop violently shaking but it’s the throttle body end, not the PCV valve end. This means the PCV is still connected and if the loose connection is a problem then it should still be idling v poorly. This means there’s s problem in the throttle body, right?

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      in reply to: Diagnosing hesitation (Ford Five Hundred) #843018
      Bernie DucksworthDavid
      Participant

        Thank you for your response, Wysetech.

        I have looked in to the engine torque mount and it looks like that could be something to watch for. Maybe the lean code comes up as a result of the severe vibrations wiggling something loose? I could not find a leak for the life of me, and no lean codes have come up for a little while now. I still think that it is a result of the combination of clogged fuel filter/old air filter/sticky PCV/dirty MAF/dirty throttle body, because things started alleviating as soon as I did the two filters.

        I am asking around friends to see if anybody has a fuel pressure gauge so I can check that I haven’t damaged the pump with the crappy fuel filter.

        Yet another thing to fix on the 500 before the real frost comes. Maybe I’ll get lucky and find a replacement rubber gromet instead of buying the whole thing in a kit like seems normal on the market.

        I cleaned the MAF sensor and the throttle body.

        I have found the PCV valve and disconnected both the hose elbow and the electrical plug-in but cannot for the life of me get the tiny nipple to wiggle out so I can turn the thing CCW and remove it – see image.

        Any tips? I have tried using a screwdriver to encourage it out while I turn but it was both a very tight spot so I struggled and I was running out of sunlight. Is that a kind of tamper-proof thing that must be snapped in order to get the thing off? I think I read that somewhere that they will always break when removing and a new one must be purchased to replace the old one.

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        in reply to: Diagnosing hesitation (Ford Five Hundred) #842895
        Bernie DucksworthDavid
        Participant

          Thank you, college_man.

          I’ve been trying to find my PCV valve for days and days. Can you see it here anywhere?[IMG]http://images.tapatalk-cdn.com/15/10/27/baa565de7579077db133a596d67b8b7d.jpg[/IMG]
          [IMG]http://images.tapatalk-cdn.com/15/10/27/13f94774beee1f3f66e3319088926567.jpg[/IMG]

          Yes I’m aware my throttle body needs cleaning 😉

          Sent from my iPhone using Tapatalk

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