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Strouty

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Mar 21, 2010
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Unfortunately swapping a computer out is not easy, the computers are matched to the VIN and need to be reprogrammed. :(

If the ice doesn't work, then the next step is the wiring harness. Regardless, the timing needs to be adjusted again, I am out of spec at the -1.41, it is supposed to be -0.25 to -0.75
 

getawheel

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Mar 19, 2008
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FL
Unfortunately swapping a computer out is not easy, the computers are matched to the VIN and need to be reprogrammed. :(

If the ice doesn't work, then the next step is the wiring harness. Regardless, the timing needs to be adjusted again, I am out of spec at the -1.41, it is supposed to be -0.25 to -0.75
Did you swap out the PMD? Remote it?
 
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Strouty

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Today has been an overall depressing day, I just look everywhere and see nothing, not even sure if that makes sense, but I can't escape it. This is not a depression, just super frustration with everything. I got mad at the door dinger on the F-350, I just about ripped the key out of the ignition, you can't stop it, that is frustrating. I then had to pick up a packaged at the freight terminal, 30 pounds and in a card board box, it was frustrating because traffic was ridiculous and it was silly that they couldn't ship it regular FedEx or UPS. I got to the Hill and the wind is blowing so bad you can't hardly stand up straight (exaggeration, but you get my point). Then I open up the shop and the blue burb is there, staring at me, taunting me, that is frustrating. When I pick up my arms, my shoulders hurt, that is frustrating. Perk has a big puddle under the bell housing, one that has never been there before, that is frustrating. The sandblast cabinet needs to be fixed before I can use it to sandblast the four rims and all the miscellaneous parts I need to put the two trailers back together, I also need to paint everything, that is frustrating. Just having my phone ring, just putting my AirPod in my ear, just hearing the phone ring or vibrate, that is frustrating. Luckily I don't want to hurt myself, but I do want to hurt everything else and that is frustrating.

I think I need to take the rest of the month off, seriously and that thought is most frustrating of all. :(
 

xtremek

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Apr 13, 2012
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St. Johns, Mi
I have no clue what you're talking about. We have 5 cars, 2 Xovers, 3 trucks, a tractor, 3 trailers, and a bulldozer. All of them but one need work. My wife is busy trying to put the bathroom in, so most of the house is torn up. I was getting the shop ready for drywall, before the semester and vehicles got away from me, so it's a diaster. The yard is a mess, the driveway is potholed. Hang in there. You'll get through it.
 

legenddc

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Aug 19, 2012
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1,071
Yup. Take it off. Do whatever you want to do! Maybe that's working on a Suburban, maybe it's fishing. Either way you'll feel better and be more productive when you're back.

I incorrectly estimated how long something was going to take and I'm still paying the price. Definitely should have just paid to get it done. I'm doing my best to be lazy and buy things to make life and chores easier. Even though Home Depot is only 2.5 miles from my house it's still a 30 minute round trip to grab something. If it's not an emergency and I can get it shipped for free in a couple days, might as well wait.
 

DennisK

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May 2, 2009
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145
You might have a cracked fuel line/fitting that's letting air in the system to lose prime, cold water will shrink the crack/pin hole to let the pump work.
 

harley jim

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Dec 6, 2013
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Cleveland Tn..........out in the sticks
Same here, I'm retired so the days run together and after a while it closes in on me then I have to go do something else that I really dont want to do but it brakes the cycle.
Estate sales seem to do it for me, I dont buy much or sometimes nothing, but I look at the stuff and think about why I'm there.
 

walrus

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I think you have said PMD is remote, known issue is bad extension cables? What kind of PMD, flights systems seem to be the only good one left, even the supposed fix by stanadyne gray ones fail. Who rebuilt the injection pump? Hopefully a stanadyne rebuilder? Did you put clear hose on pump to injector lines? Do you have fuel pressure gauge? 6.5s will make you pull your hair out or possibly take a 3lb hammer to the whole freakin' vehicle. :) Wouldn't be my choice for a daily driver. A burb with a 5.7 would be a better choice IMHO
 

Alfman

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Jan 15, 2016
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Life is too short. All the money you spend per year on things that “need” work to be usable for a “hobby” or because “it’s the garage journal way” makes no sense to most of us on here. You claim to be a “perfectionist “, but nothing ever gets finished and most likely never will. Everything is a dream or hope that gets shuffled outside or crammed inside SG when the next idea is purchased.

You seem to make decent money. At your age now and invested properly, you could be very well off at age 60. Buy yourself something that runs, so you don’t have to borrow your dads vehicles all the time.

A lot of people on here try to help steer you in the right direction, but you don’t seem to see it or don’t want to see it.
 
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Strouty

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I think you have said PMD is remote, known issue is bad extension cables? What kind of PMD, flights systems seem to be the only good one left, even the supposed fix by stanadyne gray ones fail. Who rebuilt the injection pump? Hopefully a stanadyne rebuilder? Did you put clear hose on pump to injector lines? Do you have fuel pressure gauge? 6.5s will make you pull your hair out or possibly take a 3lb hammer to the whole freakin' vehicle. :) Wouldn't be my choice for a daily driver. A burb with a 5.7 would be a better choice IMHO
It is a remote mounted flight systems PMD, it is on an aluminum heatsink with a fan, when all of this first started, I tried swapping it with another brand new flight systems and it did exactly the same. I did not swap the harness, but the water did not go anywhere near that harness, just on the front of the injection pump, near the fuel shut off solenoid. The have a new lift pump and when this issue occurs, there is still plenty of fuel flowing, so this has to be something in the injection pump itself, I figured the cooling of the water was the key. Until we get the timing where it should be, I don't want to chase any problems other than replacing the starter.
 
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Strouty

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A lot of people on here try to help steer you in the right direction, but you don’t seem to see it or don’t want to see it.
It is always tough to see what is going on when you are too close to it, hindsight is always twenty-twenty as well. Are there things I would do differently, absolutely, are there things I wouldn't do at all, sure. I was all set to buy what I considered a good choice for a DD, but the condition and price of used vehicles right now is absolutely ridiculous, literally double what they were last year. I am not in the market for a new vehicle, but I also don't want to pay twice what a used one is worth. On top of that, between the trailer tires/rims and an unplanned plasma table purchase, I have to wait a little to build up my reserves again. I am always trying to acquire things to make my future easier, I probably need to work on the present for a while.
 
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Strouty

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You might have a cracked fuel line/fitting that's letting air in the system to lose prime, cold water will shrink the crack/pin hole to let the pump work.
I didn't get any water near any fittings. If we can't get the timing within spec I will need to investigate the optical sensor and then the wiring, and finally the computer.
 
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Strouty

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I am looking at how to refresh the ECU, it seems I can do it with my equipment, this would allow me to swap computers for testing purposes.
 

Alfman

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Jan 15, 2016
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Sure the used market is crazy now, but what you have invested now in your older suburban collection (15-20 range in various states of disrepair), would have bought something less than 5 years old and actually be reliable and left money in your bank account.
 

mybigwarwagon

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Nov 4, 2009
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Vale, Nc
I am looking at how to refresh the ECU, it seems I can do it with my equipment, this would allow me to swap computers for testing purposes.
I think you would only need to reprogram the vin for inspection purposes. You should be able to swap them for testing purposes.
 
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Strouty

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I think you would only need to reprogram the vin for inspection purposes. You should be able to swap them for testing purposes.
Nope, they won't even start if you don't program the VIN. I don't know about the gas ones, so they may be plug and play, but the diesels are not the same.
 

walrus

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I doubt timing is causing your issue. you have a tech 2 , correct?? Should take much to time it if you do.
 

quattro_sinko

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Upstate NY
Following along, are you still able to get it to start with ice or water on it? My brain is a little foggy right now but I would think whatever is causing the no start symptoms in other systems is rooted in having to cool that thing down, one way or another.

FWIW, I had a '99 gas Burb that gave me the same type of issue intermittently for the last year I owned. it. It was infuriating. That was 4 burbs ago for me.
 
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Strouty

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The timing doesn't seem to be outside the parameters that people use them in, I just want to get within factory specs so I can rule that out.

I have an older Tech 2, when I went looking for the software needed (and laptop to run it), I found a heck of a deal on another Tech 2 that is a bit newer, (mine does through 2009 and this one is updated through 2013), it had all the software, a laptop, extra cards, cables, and everything I need all in one shot. I will just sell my Tech 2 and whatever else I don't need with it.

I can start it with no problems if I dump a little bit of water on the front of the injection pump, I haven't been in the position to try ice yet. I want to do the ice, as that will rule out the water making some connection.
 
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Strouty

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It would need to be pretty hot, would probably need to heat it on the stove first, but it is a thought for sure. IIRC the fuel temp is still at about 130 degrees, so it would need to probably be 150 or so, maybe even 180. to actually test it correctly.
 

Seagoon

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Jan 23, 2014
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Scunthorpe. UK.
How about trying very hot tap water next time and you’ll know whether it’s a water making a connection or temp issue in one test.
My guess is that it always happens away from home where it is easy to find water(like in the drinking bottle that you're carrying), but not easy to find either ice or hot water.
 
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Strouty

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Yes, I need to plan on being where I have ice or heated water, things have been crazy lately and I just haven’t been able to make it happen yet. I was all set to do the ice the other day, but the starter issue stopped that.
 

Firstram

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May 16, 2017
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A CO2 fire extinguisher will chill it and keep it dry. You probably have 10 of them somewhere!
 

86turbodsl

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Jul 1, 2005
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Michigan
I have no interest in driving a new vehicle. I want to make older vehicles like new and drive them until the guberment has to pry them from my cold dead hands.....
Same here. I work for an automotive OEM and i can't stand the **** we're working on.
 

Monza Harry

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Dec 29, 2018
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Windsor ON
My 99 had an intermittent no start issue, that turned out to be a pinched wire from it being rear ended. The dealer replaced a sensor, the fuel pump (6 weeks without my $700/month lease for that) and something else I've forgotten, and a total of 3 times they had the tank out and never seen the pinched wire! Every time they concentrated under hood first for a fuel delivery issue. So I guess I'm saying time to think way outside the box while still considering the obvious choices. Harry
P.S. Edit the issue was a no start after a stop sometimes a minute or less sometimes 20 minutes, just for clarification, upon a reread I'm not sure I made that crystal clear.
 
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bimmer1980

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Feb 5, 2009
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2,104
Location
York, PA
Candidly, while I don't doubt that you do good work, but generally, with that much of a system having been touched, there may well be a "repair induced" problem.....

I would be frustrated too. After all the time and money you have put into it, I would just want it to WORK! Lol.

Hopefully you are taking the day off on Sunday and have some decent food and time with enjoyable parts of family.
 
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