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George H.
George H., ASE Certified Technician
Category: Ford
Satisfied Customers: 18394
Experience:  ASE Master Tech 15+ Years
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Kenny Z, 2000 ford e-250 on Freeway and heard loud air

Customer Question

HI Kenny Z , 2000 ford e-250 on Freeway and heard loud air wistle when giving gas, let off gas cant hear it. Lost power, trouble shifting into gear, wont accellerate fast, cant get over 60, still runs at Low speeds, cant go fast , has trouble shfting ??
Submitted: 1 year ago.
Category: Ford
Expert:  George H. replied 1 year ago.

Hello, Looks like Kenney is offline but I can help

This sounds like you have a vacuum hose that has failed. Normally it is the PCV hose on the passenger side of the engine but I have to ask which engine you have in this? 4.6?

Please let me know and see if you can feel the hose to see if it feels "mushy"

Thanks

Customer: replied 1 year ago.
5.4 engine
Expert:  George H. replied 1 year ago.

Ok, on this one it is common for the hoses to get mushy and fail leaving a large vacuum leak which whistles and cuts power. Can you check the hoses leading to the base of the throttle body and into the right (passenger) valve cover to see if they have a hole?

Expert:  George H. replied 1 year ago.

Click here for diagram

Check the nipples on the ends of the hard plastic hose

Customer: replied 1 year ago.
Will check tomorrow , this has nothing to do with trans ?
Expert:  George H. replied 1 year ago.

I think your trans issues will resolve once you get the vacuum leak stopped.

Let me know what you find and if the hose is not leaking we can go elsewhere but I am pretty sure of what you will find.

Is the check engine light on? I would expect it to be and lean codes stored. Have it read at an autopart store if the light is on and let me know what the codes are.

I will watch for your post tomorrow when you get a chance to check it out.

Thank you

Customer: replied 1 year ago.
No engine light on !
Expert:  George H. replied 1 year ago.

That is surprising, check the hose and let me know what you find

Thanks

Customer: replied 1 year ago.
Will do , Thanks
Expert:  George H. replied 1 year ago.

Great, I am here most of the time so no need to respond until you get it checked.

Thanks

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