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    05 6.0 smoke black at idle

    I think you meant HFCM (primary fuel filter), not FICM!
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    05 6.0 smoke black at idle

    60 psig is fine if it can hold it there at WOT. When my fuel pump started going out, it would sit at 63 or so at idle, but drop to about 50 at heavy acceleration. Injectors need 50 + psig pressure at ALL times.
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    05 6.0 smoke black at idle

    Did you ever check fuel pressure? Also, as posted above, water in the fuel can cause it also. Did you drain any fuel to check for water?
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    05 6.0 smoke black at idle

    You can pull the motor out the front.
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    05 6.0 smoke black at idle

    Low fuel pressure will cause it.
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    05 6.0 smoke black at idle

    My notes on P2291: P2291 (cranking code) on a 2003 or early 04 6.0L is most likely caused by, in order of likelihood: 1- Disconnected sensor, or failing, cracked and leaking ICP sensor and oil damaged wiring at the sensor 2- A weak or failing High Pressure Oil Pump 3- IPR valve This is a...
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    05 6.0 smoke black at idle

    Pull the glow plug and rotate by hand. You don't want to bend a push rod.
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    Boost problems

    Sure sounds like it could be a stuck unison ring
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    NO power to cab after head gasket replacement.

    May be a bad pump then - unless you have been working on the fuel system recently and "kinked" a line.
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    NO power to cab after head gasket replacement.

    You sure the sound is the fuel pump running and not the vacuum pump?
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    05 king ranch dies while driving, difficulty restarting

    Not a very good parts replacer even at that. For the described issue, it is most commonly the FICM or the IPR. The FICM is easy to diagnose by installing a known good one. The IPR is diagnosed by reading codes or just replacing. A good parts replacer would have replaced the IPR early on, lol.
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    05 king ranch dies while driving, difficulty restarting

    Just be aware that the SCT is not very good at reading codes
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    05 king ranch dies while driving, difficulty restarting

    What tool was used to scan for codes? Some are good and some are only so-so. According to your first post, it dies and then doesn't start (I know, it started with ether, but I wouldn't keep doing that). More than likely it is a "no-start when hot" condition. You need a scan tool. ForScan...
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    05 king ranch dies while driving, difficulty restarting

    Again - the FICM voltage is only one aspect of the computer called the FICM. When "Windows" on your home computer locks up, it is rarely the power supply. I am not saying that it is your FICM, just making the point that voltage isn't the "tell-all" parameter.
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    05 king ranch dies while driving, difficulty restarting

    I don't know of any - except to send it to a company like FICMrepair.com
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    05 king ranch dies while driving, difficulty restarting

    Just be aware that a FICM is complicated. It has a logic board and a power board. The voltage on either can fail (MPower or LPower), but it can also quit processing data - just like any computer can. What I am saying is that it can have electrical issues that cause problems without the...
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    Boost problems

    It could very well be from the tube being plugged up. Have you tried running some stiff weedwhacker string through it (a coat hanger would work also)?
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    05 king ranch dies while driving, difficulty restarting

    You can get into trouble using ether. I know it can be a good troubleshooting tool, but it can cause issues in the 6.0L. Adding to what was posted above, let it sit overnight (get the engine cool) and see if it starts. A starting engine that doesn't start when hot will point to the high...
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    Hard diagnosis on an 05

    Good deal. make sure that the fuel pressure is good or you/he will have more injector issues down the road. Ford says a MINIMUM of 45 psig at WOT, but IMO it should never drop below 50 psig.
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    Hard diagnosis on an 05

    Hey I didn't take it that way at all!! I just didn't want to gang up on you. That said, I am not familiar with that scanner one way or another. I do know that fairly often folks w/ a scangauge or an SCT tuner think that they can thoroughly read codes. Not going to happen with that equipment.
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    Hard diagnosis on an 05

    Sounds good.
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    Hard diagnosis on an 05

    I hate to dwell on the codes, but MANY readers don't get all of them. What are you using? It sounds like the turbo may be sticking, and maybe injector issues also.
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    03 6.0 ficm questions

    It tests for an injector allowing combustion gas to flow backwards which will restrict fuel from flowing to all 4 injectors on that side.
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    03 6.0 ficm questions

    Open up the secondary fuel filter bowl and remove the filter. Have someone tun the key on while you watch the bowl fill with fuel. It should fill pretty quickly. A fuel pressure gauge would be a good thing to have as well. Lastly, you might try a bubble test. Pull the FICM relay and try...
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    03 6.0 ficm questions

    I would just try it!

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