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truck smokes why

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Old 02-21-2005, 06:32 PM
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truck smokes why
help my 2002 f150 4.6 smokes when i start it but at no other time only 40000 miles never drove hard is this normal every time i crank it up then its fine after about5secs.
 
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Old 02-21-2005, 08:48 PM
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If it's cold (below say 50d)where you're at then yes, it's normal.
 
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Old 02-22-2005, 04:12 PM
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it seems to be oil smoke to me not condensate . thanks for your input
 
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Old 02-22-2005, 04:34 PM
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If you are talking about a quick puff at startup then goes away, mine does it to, but only when the truck has been sitting for a while. It doesn't use oil so I don't worry about it.
 
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Old 02-22-2005, 05:48 PM
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Valve stem seals more than likely. They are letting a small amount of oil into the cylinders when sitting.
 
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Old 02-22-2005, 06:00 PM
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I have a 2002 4.6 F150 that smokes oil smoke on warm start up, doesn't seem to be a problem on cold starts. 35K miles. Only had it a couple months, not sure of oil consumption.
 
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Old 02-24-2005, 03:09 PM
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that happened to my 2000 f150 5.4l
went to the dealer and they told me could be rings ,valve seals ect.ect.
so i changed the PVC valve and it cleared right up.
about $1.98 from auto zone.
 
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