vacuum

  1. ExpoLady

    Does it matter?

    Does it matter which way the flow hits the vacuum? The new valve on right comes from manufacturer this way. Is this Fords new way to keep vacuum valve on heater Core inlet line out of the way of the outlet line that sits to the left? 03 Expedition 5.4l V8 EB 4x4
  2. K

    2005 Eddie Bauer Booster Check Valve

    Hey All, I have a 2005 Eddie Bauer with AdvanceTrac My issue is very weak braking power when first pushing the pedal. If I leave my foot on it for a second and push further, it grabs nicely. Pedal is very firm with engine off so I believe this to be a vacuum issue. I'm seeing no vacuum from...
  3. booksix

    Entire IWE tested/working but CVs/DS spin at 10+ mph

    I'm tracing a separate issue in my 07 EB EL and decided I needed to eliminate IWEs/CVs/Diff bearings, etc from the equation, so I rigged up my GoPro to see what is going on. I knew my IWEs worked (hold vacuum and can spin the wheel only) but the footage revealed that there is indeed some...
  4. csanch40

    P1071 and P1074 with rough Idle and stall

    Good morning, I have an '04 XLT with the 5.4 2v. I recently got the P1071 and P1074 lean codes and a few days ago noticed a rough idle and eventual stall if left at idle. About 6 months ago, I had a diagnosed coolant leak from the intake manifold. I ran some stop leak and that took care of...
  5. J

    EGR CODE???

    Hey everybody! I am brand new to this forum, so please bare with me. I desperately need some help figuring out how to get this code to stop coming on! It is CODE “P0401 EGR insufficient flow detected”. And I ONCE got the “P1409” code, as seen in attached pics. But I have never had that code...
  6. J

    EGR CODE???

    Hey everybody! I am brand new to this forum, so please bare with me. I desperately need some help figuring out how to get this code to stop coming on! It is CODE “P0401 EGR insufficient flow detected”. And I ONCE got the “P1409” code, as seen in attached pics. But I have never had that code...
  7. Bill Schmidt

    Vacuum Line broke Help

    This 4wd hub vacuum line is broke right in the front of the vehicle. #2 pretty much right where the #2 label is. This feeds? vacuum to the passenger 4wd hub. Do the hubs engage WITH vacuum or WithOUT vacuum. With this line broke is my hub on the passenger side on all the time???? Anyone...
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