whistling/rattling sound when accelerating

Asked by breezer99 Aug 19, 2013 at 05:55 PM about the Ford F-150

Question type: General

2004 f150, 4x4, 4.7 litre, makes whistling/rattling sound only when accelerating, going up a hill, or under load...sound like its coming from engine area, passenger side?  hard to tell...

2 Answers
58,575

Tracy answered 11 years ago

Exhaust leaks come in many forms: Pinhole in the tubing, cracked nipple for the EGR, loose EGR tubing, Rotted muffler, cracked manifold - most muffler shops would be happy to look at it and give you an estimate of repairs for little or nothing.

1 people found this helpful.
Mark helpful

rcdom answered 7 years ago

Check the hose coming from the IAC valve to the air horn, Had to replace them before for that cocncern.

Mark helpful

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