What did you do to your 7.3 Today? - Page 2382 - Ford Powerstroke Diesel Forum
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post #23811 of 25058 Old 12-16-2018, 05:41 PM
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Follow up.... stalled 4 times in 15 miles. Put it into bypass and drove home no issues. Gonna pull the Hydra and double check everything.


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That's frustrating! Definitely check connection. The hydra as I'm sure you experienced does grip the pcm very tightly so you can clean those contacts pretty good. Mine was all the way down to copper, no sign of tin anywhere. Been working fine.


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I would say yes on fuel changes since you are shifting gears, I will try to remember when I see Bill too ask about tow tune's.

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I know lots of tuning is related to the shift strategy of an auto, always curious what the major differences are for the manual tunes.

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post #23812 of 25058 Old 12-16-2018, 05:48 PM
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That's frustrating! Definitely check connection. The hydra as I'm sure you experienced does grip the pcm very tightly so you can clean those contacts pretty good. Mine was all the way down to copper, no sign of tin anywhere. Been working fine.

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Ya. Went back in and cleaned contacts off again extra good and put it all back together. Since it runs fine on bypass mode Iím not sweating it too much, but so want to get this resolved. Will give it a go tomorrow. Fingers crossed.



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2002 F350, 7.3l, CCLB, WW2, HPOP crossover, Coolant bypass filter, ATF inline filter, 4" exhaust, afe intake with AIS, 4" lift, 35's, Hellwig Big Wig F/R, Rancho900XLs, Firestone bags, PHP Hydra.
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post #23813 of 25058 Old 12-16-2018, 06:13 PM
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Sometimes it’s hard to get the silicone out between the contacts. Use your fingernail to get it out.

I haven’t done much to the truck lately. Got another new windshield and just about due for another oil change. Going to try Mobil one 5w-40 next time since Delos ADD pack is weak now.
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post #23814 of 25058 Old 12-16-2018, 07:41 PM

 
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Originally Posted by SC-Surfer View Post
Ya. Went back in and cleaned contacts off again extra good and put it all back together. Since it runs fine on bypass mode Iím not sweating it too much, but so want to get this resolved. Will give it a go tomorrow. Fingers crossed.



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You really have to be OCD on cleaning that J3 port. Many people "think" they cleaned it well, but when I ask them to send me crystal clear close up pics, they story shows otherwise. Lol.

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Part numbers will help alot too if they are not on our site.
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post #23815 of 25058 Old 12-16-2018, 07:43 PM
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You really have to be OCD on cleaning that J3 port. Many people "think" they cleaned it well, but when I ask them to send me crystal clear close up pics, they story shows otherwise. Lol.

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Ha. Ya. I was super paranoid about overdoing it. Will drive it tomorrow and hopefully all is well now.


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post #23816 of 25058 Old 12-16-2018, 10:25 PM
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FWIW, and I haven't done this to a 7.3 ECM yet, but in general for printed circuit board gold finger cleaning, my absolute favorite weapon is a clean soft pink pencil eraser... does a remarkable job removing oxide from the gold plating without stripping the plating off. I've done this on 100s of computer boards over the last 4 decades. if the eraser edge you're using gets discolored, scrub it on some clean denim or whatever... I'll use a bit of Deoxit D100 too, on a second pass with the eraser after a dry pass.

silicones are a SOB to get off surfaces. you don't /ever/ want to get any silicone products on a surface you'll eventually want to paint, for example.
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post #23817 of 25058 Old 12-17-2018, 01:23 PM
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Well...so far no stalls today. Been in and out of the truck all day. Last night I scrubbed and cleaned the contacts again, relieved the plastic mount the Computer sits in so there was no chance of pressure on the back of the chip, put a piece of tape around the end to cover/hold the chip, and put it all back together. Hereís hoping that I solved it.


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post #23818 of 25058 Old 12-17-2018, 02:03 PM
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Originally Posted by SC-Surfer View Post
Well...so far no stalls today. Been in and out of the truck all day. Last night I scrubbed and cleaned the contacts again, relieved the plastic mount the Computer sits in so there was no chance of pressure on the back of the chip, put a piece of tape around the end to cover/hold the chip, and put it all back together. Hereís hoping that I solved it.


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Hopefully it's all fixed!

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post #23819 of 25058 Old 12-17-2018, 02:13 PM
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Finished my UVCH job yesterday. Did new UVCH, gaksets, and glow plugs on both sides. Did the foil mod (removal) while the intercooler pipes were off. Didn't necessarily want the turbo louder, just hated the way that foil looked. Got all the foil and padding off by hand, but said to hell with scrubbing the glue and got the wire wheel on the angle grinder out. Went over it with some Scott brite, looks way better. With a straight pipe it's not really that much louder.

I cleaned the intercooler boots while they were out and realized I need to look at what's leaking in the valley. It's pretty messy under there. All in time!

30 miles on truck so far, runs good and no check engine light!

Only two things that disappointed me during this project.

1) I broke one of the heater hose brackets on the passenger side trying to remove it and it was 30 bucks, kind of expensive if you ask me. Then, I had the 1 old one and the new one sitting on the cowl and forgot to install them. Took it for a test drive and lost the new one. I retraced my test path 3 times, twice on my Harley looking for that over priced piece of plastic. No luck. Pretty bummed about that.

2) right before I installed the driver side intercooler pipe I look at the pigtail that plugs into the UVCH and 5 of the wires had exposed wiring! The insulation had just broken off. I know it wasn't like that when I started so the insulation must have been brittle and came off during removal. I might need to replace that but for now I took some clear plastic tubing, split it on one side and slid it over each wire to regain the insulation, zip tied each one individually so they can't slide, and electrical tape the whole thing to further aid in not moving. It's a decent repair but hate that it happened.

Other then that, smooth sailing!

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post #23820 of 25058 Old 12-17-2018, 02:54 PM
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Noticed the oil drain plug is leaking, I hate a dripping truck. This is what I get for just changing the oil, and not getting a new copper seal.
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