5.4 3 valve running rough
#1
12-25-2018, 03:56 PM
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5.4 3 valve running rough
I have a 2004 f150 5.4 3 valve running rough soon as you start it up ,was driving it home the other night almost before I turned in my house it lost power wouldn’t hardly get over 30 parked it ,tried to crank it the next day still running rough ,codes I have pulled with scanner are p0022,p0340,p2195 I got some vct solenoids Ford oem going to replace them this weekend,I replaced the cam position senor couple weeks back should I change them again.So is there anything else that would make it run rough cold or hot ?
#2
12-25-2018, 07:47 PM
The VCT solenoids will likely cause this.
Others will chime in, as this is a common issue with the 3v 5.4l. We got a good group on here that is quite familiar with this.
Since you are going this far, I recommend replacing your stock pump with a Melling M360HV oil pump. It will make the replacement VCT components not have issues later down the road.
Others will chime in, as this is a common issue with the 3v 5.4l. We got a good group on here that is quite familiar with this.
Since you are going this far, I recommend replacing your stock pump with a Melling M360HV oil pump. It will make the replacement VCT components not have issues later down the road.
#3
12-26-2018, 08:56 PM
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The VCT solenoids will likely cause this.
Others will chime in, as this is a common issue with the 3v 5.4l. We got a good group on here that is quite familiar with this.
Since you are going this far, I recommend replacing your stock pump with a Melling M360HV oil pump. It will make the replacement VCT components not have issues later down the road.
Others will chime in, as this is a common issue with the 3v 5.4l. We got a good group on here that is quite familiar with this.
Since you are going this far, I recommend replacing your stock pump with a Melling M360HV oil pump. It will make the replacement VCT components not have issues later down the road.
#4
12-30-2018, 11:24 PM
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#5
12-31-2018, 09:14 AM
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First VCT replacement on my 2004 5.4l, I had to destroy the seal to get it out. Used a screwdriver / hammer to crush the edge inward, then got a'hold of it with vice grips. I promise you will want new ones anyway.
------EDIT:
BTW, you didn't mention mileage. I hope VCTs do some good. But if you have expected mileage on an '04 model, and if you have had any other symptoms (misfires, startup rattle, diesel sound), don't be surprised if it's time for a full Phaser / timing chain job. Hope I'm wrong for now.
------EDIT:
BTW, you didn't mention mileage. I hope VCTs do some good. But if you have expected mileage on an '04 model, and if you have had any other symptoms (misfires, startup rattle, diesel sound), don't be surprised if it's time for a full Phaser / timing chain job. Hope I'm wrong for now.
Last edited by F150Torqued; 12-31-2018 at 09:21 AM.
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