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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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  #1  
Old 03-14-2013, 03:02 PM
hb2605 hb2605 is offline
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2005 5.4- need advice

I have a 2005 supercrew- been through all the problems with the 5.4......fuel injector sticking open.......cam phasor issue since birth.....now motor is throwing a permanent code P0012 for the cam issue. down on power and also getting a p0303 code at times. I changed the plug, coil pack on cylinder 3. Still weak and idling rough and still got the codes. It has 187,000 miles on it. I am trying to decide if I need to try new cam phasors, reman engine, or my real question here is....Up to what year newer than 2005 can I get a 5.4 junkyard motor that will not have these issues and will easily change out? Any input will be greatly appreciated.
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  #2  
Old 03-14-2013, 04:38 PM
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I read on either this forum or another forum that the 5.4s made from 2004 up to a certain point in 2008 are all the same. Late model year 2008 and up are the newer design. They can be swapped into the older trucks, but it is more difficult.
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  #3  
Old 03-14-2013, 06:29 PM
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Code po0012 means you need to replace the vct solenoids. They're like $45 a piece and there's only 2 of them. Here's a link to replace them, 2004 Ford F150 VCT solenoid { Variable Cam Timing| Replacement...With Pics.! - Ford Truck Club Forum. And here's a link to buy them, 5.4L 4.6L 3V VCT Control Solenoid 8L3Z-6M280-B. Check it out. Hope this helps.
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Old 03-15-2013, 07:51 AM
hb2605 hb2605 is offline
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Thanks for the input

I ordered the VCT solenoids and seals last night. I sure hope these will make difference. I will post an update next week.
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  #5  
Old 03-15-2013, 08:38 AM
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It's possible the tone ring on the phaser has spun tricking the PCM that the cam timing is off. The tone ring has 3 fingers on one side and 2 on the other, the middle finger has to line up with the "L" timing mark for it to be right.
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Every 5.4 3V owner should have Lisle tool #65600
8L3Z-6M280-B updated VCT solenoids for 5.4 3V rattle
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Old 03-15-2013, 08:44 AM
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Thanks-I will check it out- first time I have heard that- but I know what you are referring to
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Old 03-15-2013, 12:11 PM
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It's not real common but I have seen a few.
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Every 5.4 3V owner should have Lisle tool #65600
8L3Z-6M280-B updated VCT solenoids for 5.4 3V rattle
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Old 03-19-2013, 10:39 PM
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Ok- changed out the VCT solenoids- that code seems to be good- now getting a 351 & 353 code and rough idle and low power- i unplug cylinder 3 and makes no difference- it has a new plug and a new coil-- BTW- i do have a significant exnaust leak where I had to change converter when the famous fuel injector stuck open- been 50k since that happened-Napa convertor and y pipe- just crappy connectors- could this cause the misfire on cylinder 3
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Old 03-19-2013, 11:03 PM
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ok - read codes - reset codes- unhooked battery- put leads together for 1 minute- let it set for about 30 minutes- ran again- pulled into drive with brake on- accelerated-- now P0012 and p0021- waiting on some help- changed both VCT solenoids tonight- motor sounds better- still no power at take off and initial codes were 353 and 351- now p0012 and p0021 retarded timing= help me! VCT solenoids were supposed to clear p0012 and p0021
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Old 03-19-2013, 11:19 PM
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Here read these, Code P0012 "A" Camshaft Position - Timing Over-Retarded (Bank 1) and Code P0021 "A" Camshaft Position - Timing Over-Advanced or System Performance (Bank 2). And you mentioned these codes, DTC P0351 Ignition Coil A Primary/Secondary Circuit Malfunction and DTC P0353 Ignition Coil C Primary/Secondary Circuit Malfunction. Reading these will give you a better idea of what the cause could be. Also if you haven't already I would clean the Mass airflow sensor and the throttle body.
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  #11  
Old 03-20-2013, 12:24 PM
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Pull the valve covers and check the phaser tone rings like I said. If the rings are good then either the engine is out of time or the phaser is physically stuck. The p035x codes are coil circuit codes meaning either the connector is not fully seated or there is a broken wire somewhere in the harness.
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Every 5.4 3V owner should have Lisle tool #65600
8L3Z-6M280-B updated VCT solenoids for 5.4 3V rattle
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Old 03-20-2013, 01:14 PM
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If i am going to pull valve covers- should i go ahead and pull the front of the motor and change the cam phasers while i am at it? Hate to do it twice!
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  #13  
Old 03-20-2013, 09:10 PM
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That's up to you, but it would be a good idea to install the new design phasers. Also put some new chain guides and tensioners in too.
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Every 5.4 3V owner should have Lisle tool #65600
8L3Z-6M280-B updated VCT solenoids for 5.4 3V rattle
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Old 03-20-2013, 09:10 PM
 
 
 
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