Whistling noise | Ford Explorer Forums - Serious Explorations

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Whistling noise

glickster

Member
Joined
September 10, 2014
Messages
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City, State
Portland, OR
Year, Model & Trim Level
2006 Ford Explorer
2006 Explorer 4.0 with 79k miles. Noticing a whistling noise coming from the engine bay when accelerating. More noticeable at lower RPMs. Sounds like something in the intake. Mechanic said all hoses and lines are intact with no leaks. Is this something normal and just from a noisy intake? Has anyone else experienced this? I believe the intake is stock (just bought the truck 2 months ago)
 






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