Whistles during start and acceleration

Tiny
ALLEYNE MEMORIAL AMEZION CHURCH
  • MEMBER
  • 2002 FORD EXPLORER
  • V8
  • 4WD
  • 192,000 MILES
For the last several days I have noticed that my car has been whistling when I start my vehicle and when I accelerate. Sometimes it continues for as long fifteen minutes, but then ceases. What could be the problem? I have been told the air filter, transmission, and I was even told that it could be my alternator charging. My check engine light is not on and I have had it checked on the diagnostic machine, but nothing comes up on the computer. Please help me with this issue, considering I do my best with keeping up with the maintenance, ie, oil changes, brakes, plugs and wires etc.
Thanks in advance for any help you can render.
Friday, December 16th, 2016 AT 10:32 AM

2 Replies

Tiny
JOHNNY G.JR
  • MECHANIC
  • 320 POSTS
Possible vacuum leak, Check EGR and PCV systems, EVAC also.
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Friday, December 16th, 2016 AT 11:54 AM
Tiny
CJ MEDEVAC
  • MECHANIC
  • 11,004 POSTS
Maybe could also be carbon build up on the throttle plate.

Clean with throttle body cleaner, do both sides of the plate.

The Medic
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Friday, December 16th, 2016 AT 2:50 PM

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