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2004 Ford F-150 Start up noise

Tiny
RDM429
  • MEMBER
  • 2004 FORD F-150
  • 105,000 MILES
Have 5.4 engine that has had regular mobil 1 5/20 oil changes with a motorcraft filter, truck runs fine with a rough idol at times, lately when truck sits overnight it seems to rev higher for first couple seconds with a lot of engine noise till oil pressure gauge starts to move and then quiets down to normal, not sure if its related but air bag light comes on once in a while when driving. Thanks
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Sunday, June 16th, 2013 AT 7:30 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
The timing chain tensioners most likely are the noise from bleeding down of the oil pressure overnight. The guides wear as well which is common. 105 is low miles for this to happen. I would have the oil pressure tested manually to be sure there is nothing failing on the bottom end

Roy
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Sunday, June 16th, 2013 AT 8:01 AM

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