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2004 - 2008 F150 2004, 2005, 2006, 2007 and 2008 Ford F150's with 5.4 V8, 4.6 V8 or 4.2 V6 engine
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Old 03-03-2014, 04:31 PM
lawdog1973 lawdog1973 is offline
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5.4 v3 troubles please help

OK I had the engine rebuilt in this pig and need some help. It idles rough sounds like a diesel and is throwing PO340 PO345 AND PO349 codes the shop says they have triple checked timing and its correct he replaced bank 2 phaser crank position sensor and vct. Any suggestions?
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Old 03-03-2014, 04:34 PM
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scubasteve728 scubasteve728 is offline
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Originally Posted by lawdog1973 View Post
OK I had the engine rebuilt in this pig and need some help. It idles rough sounds like a diesel and is throwing PO340 PO345 AND PO349 codes the shop says they have triple checked timing and its correct he replaced bank 2 phaser and vct. Any suggestions?
same thing happened to me this summer. ended up having to replace the engine. vct went and cam phasers were out of whack because the timing chain plastic guides broke and were chewed up into the engine and clogging sensors and oil wells thus loosing oil pressure.
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Old 03-03-2014, 04:38 PM
lawdog1973 lawdog1973 is offline
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same thing happened to me this summer. ended up having to replace the engine. vct went and cam phasers were out of whack because the timing chain plastic guides broke and were chewed up into the engine and clogging sensors and oil wells thus loosing oil pressure.
Mine has less then 100 miles on rebuild.
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Old 03-03-2014, 04:41 PM
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scubasteve728 scubasteve728 is offline
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Mine has less then 100 miles on rebuild.
what kind of oil and filter
and check the oil level make sure is it not too low or high because it can cause it to throw those codes without the oil light on
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Old 03-03-2014, 04:48 PM
lawdog1973 lawdog1973 is offline
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what kind of oil and filter
and check the oil level make sure is it not too low or high because it can cause it to throw those codes without the oil light on
Just rechanged oil with OEM filter and 7 quarts of oil.
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Old 03-03-2014, 04:48 PM
 
 
 
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