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whistling

  1. 4.6L Tech
    I have a 2002 Mustang GT and it is making an extremely loud high pitched noise noise near the intake manifold. I am throwing the following codes P1506, P0171, P0174, P0316, P0307, and sometimes P0303 and P0300 comes and goes. I thought it was the IAC valve so I replaced it but nothing. Then I...
  2. 5.0L Tech
    i have a 1988 mustang gt and after the trickflow top end kit install my upper intake seems to be whistling at a warmed up idle. has anyone fixed this without replacing the throttle body? because its just annoying. i have a 70 mm bbk tb on there. is there a guaranteed fix like perhaps sanding or...
  3. 4.6L Tech
    I recently bought a 2002 GT and i had a couple of problems. Those were fixed and i asked my mechanic about a high pitched whistling/whining noise that came from 65-85 mph in fifth gear. He said that it was "just something the engine does" i'm skeptical on this, and am looking for a fix...
  4. V6 Tech
    Ok, my story is kind of long, so I apologize for that from the start. But, I really need some help figuring out my problem and would appreciate any help that could be given. To start off, I drive a 2003 Mustang Convertible V6. (Any other specifications needed, please let me know) Around June...
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