small rattle or knock

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Old Jul 2, 2007 | 08:46 AM
  #1  
ffl 99's Avatar
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Joined: Jul 2007
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From: ohio
engine noise

hey everybody , I have a 99 f150 4.6 ,truck runs great but there's a rattle or a light knock when i rev the engine but only for a split second , does not make the sound under-load , truck has 98,000 and uses a little oil maybe 1.5 qts every 3,000. thanks for any info in advance
 

Last edited by ffl 99; Jul 2, 2007 at 10:52 AM. Reason: no responses
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Old Jul 2, 2007 | 10:59 AM
  #2  
Faster150's Avatar
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From: Fort Worth,Tx
clean the EGR ports in the intake elbow thats right after the throttle body.
 
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