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Old 11-10-2011, 03:16 PM
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More Questions-runs rough

OK, I've had my truck for over a year but I just now bought an Edge Insight (from PTP near Houston Tx). Original thread here:

New Powerstroke owner looking for tips

The truck has really been running OK for the last year but it really hates cold weather.

Here are my numbers:
ECT 160-170
EOT 170-180

FICM 47-48V

Boost 0-8 on avg and 14-15 max.

The truck still runs extremely rough at start up until the engine has been fully heated. I have never added an additive into the oil and I have not touched the EGR valve. It weighs 13-14,000 lbs at all times (service body).

I know I probably have stictation on the injectors but I was pleasantly surprised to see that my cooler appears to be functioning properly. I ran the truck a good ways and got it up to highway speed at normal temps etc.

I don't want to dump a lot of money into this truck but I would like to see if I can fix some problems on my own before I break down and call a real mechanic. I would rather not mess with the coolers unless I see the temps creeping up past 15 degrees.

Oh, and I have about 5-6 codes on the diagnostics. I decided to erase them and see which ones would stay in after my test run with the Insight. To my surprise there were none listed after I got back. I probably should have wrote them down before I cleared them. I will keep checking to see which ones pop up.
Thanks for your answers.
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Old 11-10-2011, 03:42 PM
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a couple things if your ECT is hitting a max of 160-170 you need a new thermo. and from your boost readings your turbo seems to be stuck, should be 25-26 max, I would pull it and do a cleaning. While your at it clean the EGR if you haven't. When that is all done add some REVx.
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Old 11-10-2011, 04:10 PM
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By thermo is that thermostat?

Yes, I do suspect that I have turbo issues because the truck really seems to lack power and can be bad about surging at times. I don't know if my EGR valve is sotted/plugged up and if that somehow affects the turbo or what the deal is.

I had no idea that the boost should be that high.
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Old 11-10-2011, 05:13 PM
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Quote:
Originally Posted by Texas Wellman View Post
By thermo is that thermostat?

Yes I meant the Thermostat,,,, bad habit on my part BTW use a stock ford thermostat

Yes, I do suspect that I have turbo issues because the truck really seems to lack power and can be bad about surging at times. I don't know if my EGR valve is sotted/plugged up and if that somehow affects the turbo or what the deal is.

Yes If the EGR has issues and while running stock programing you can experiance surging, poor throttle response.

I had no idea that the boost should be that high.

Yup, if your all stock that is the normal boost range
all in all cleaning the EGR valve and changing the thermo is not that hard with normal hand tools. the turbo is a bit more work but not that bad. one thing I will add is to aid in getting the uppipe to align with the turbo use a rachet strap from the uppipe across the turbo to the passenger side head light.... it helps alot.
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Old 11-11-2011, 03:33 AM
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Throw a couple bottles of Rev-X in it with the next oil change and use a synthetic 5w40 like Rotella T6. That should help the cold starts.
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Old 11-13-2011, 07:22 PM
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Couple of more questions...

What should the normal temperature for this truck be?

When you say to clean the turbo what exactly does that entail? Do you think it's just sooted up and needs to be cleaned out or do I need to take everything apart? My mechanic skills are mediocre at best and I really don't own a good space to do all this work in. The truck will no fit in my garage and my tool inventory is not great so I do not want to tackle something that will have me disassemling a bunch of stuff for a long period of time. A couple of days I can handle.

Last question: I thought there was a place to see fuel pressure but I can't find it. Any input?

I'm terrified that I will take this stuff apart and not be able to "put humpty dumpty back together again" LOL.

Last edited by Texas Wellman; 11-13-2011 at 07:33 PM.
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Old 11-14-2011, 01:51 AM
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There is no fuel pressure sender on the 6.0 so you need an aftermarket gauge setup to see it. Working on the 6.0 is not really that difficult but there is no substitute for a good set of tools.
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Old 11-14-2011, 03:21 AM
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First I would download some of the Tech books for your truck here DTS

Here is a explination of what the cleaning entails DTS

Here are some good videos for tear down and how to put it all back togeather. This youtube is a ford tech making the videos and he really seems to know if stuff.
SRmasterTech

Normal temp range is for my truck 190-194 depending on load and outside temp.
ccdemo71 likes this.
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Old 11-14-2011, 06:00 AM
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x2 for the T6 and rev-X
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Old 11-14-2011, 07:30 AM
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For your turbo removal and cleaning, if you CLICK HERE, at the bottom of the post, it has a few pdf files. One of which is turbo removal and installation and another is for turbo cleaning.
There is also an explanation of how to line up the y-pipe to the turbo properly.

I absolutely agree with all of the above posts, but would like to add some more detailed information related to them.
Any time you remove the turbo, it is a great idea to purchase the turbo mounting hardware kit. It has everything in it that you should replace when removing the turbo in one "kit". Its fairly cheap at Tousley Ford, a whopping $7.44 CLICK ME
There are also two parts that Ford has redesigned for the turbo. The Turbo Oil Supply Line has been redesigned as a hard line all the way to the turbo. If you look at the line that connects to the top of your turbo and see that it has a flexible stainless steel section in it, that is the old style. This old style line can develop a restriction within the flexible portion that could slow oil delivery. CLICK HERE $76.96
The other line that was redesigned is the oil drain tube. This tube sits under the turbo and directs the oil that flows through the turbo into the High Pressure Oil Pump cover. The old style had a restrictive bend in the tube, which could also slow the oil draining. CLICK HERE $20.90
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