turned on a wrack called Ford
there are actually several questions at the end of my sad tale
its just the preamble seemed so fitting its a grim tale many years ago I owned "one of those" I came out of it feeling shall I say cured fast forward to today Ive always turned my own wrenches even built several from the frame up owned a fleet of Jags and old farm trucks various farm vehicles you name it nothing so completely humiliated my abilities as a mechanic as that ford did I was cured, or so I thought it was greed got the best of me it was free about a month ago a friend of mine and I were talking about how I needed to find an old truck to haul lumber in he pointed to an old ford F250 diesel 7.3 1990 beater dead in his back yard and said if you can make it run its yours something told me this was a mistake but I took the bait I had it running like a top in about a day I expected that two weeks later I took it to Missouri on its first lumber run and dragged 4 tons of oak 500 miles home thing was working fine I wasnt expecting that seemed like things were going to work out and then it happened it was way to easy some fool I loaned it to filled it with gasoline made it three blocks dead, done and history now any fool can make a mistake ( I thought Ild screwed up pretty hard in my day, but I cant lay claim to putting gas in a diesel ) and any fool can purge a fuel system ( that would be me, how hard can it be ) but only ford would make an idiot test out of were the dummy switch is that turns the electrical system back on 12 hours of looking at least as many phone calls and half as many so called "specialists" later and no one has any clue why the electrical system has shut itself down completely or how to reset it or if, or were, a reset switch may be or if a 90 diesel even has the famous inertial shut off switch let alone a reset switch or why if it did would that possibly cause a complete shut down of the electrical system rather than just fail to power the fuel pump and actually the fuel pump is mechanical anyway both of em so there isn't much point to a electrical kill switch most of the "experts" claimed there was one so we spent today all day two people 12 hours looking for a switch demolished the dash area not a snow balls chance so my question is whats the big secret Im not even convinced this thing has a computer in it so why no juce if I disconect the batteries and let the caps drain reconect and turn the key the glow plug warming signal comes on everything apears normal but when you turn the key the rest of the way to crank instant dead and from there if you try to turn the key again it will not indicate the glowplugs untill you drain the caps again actually it wont indicate anything not even the dome lamp comes on seems to me that there is a sensor somewhere that's been tripped and its a mater of untripping it or a switch so whats the deal anyone got any ideas as to how to beat this thing into running again cause its scrap metal at the moment for want of a reset switch Q were is the secret switch is there a secret switch what sensor/s are capable of comanding a system shut down once replaced will it automatically comand the system to function is there a code reader for this vehicle were do I plug it in to answer the obvious yes I purchased a manual no, neither defined the procedure to purge the fuel system they did not discuss inertial shut of switches nor did they discuss the function of the various sensors on the primary pump assembly it did not provide a single answer that would shortened my 12 hours on the wrack none of the folks I spoke with today had ever heard of the electrical system shutting down in the even of fuel contamination anybody have this issue come up if so I would dearly love to hear what you were able to do about it thanks B edit having reread the previous I realized that what is intended as humor might be mistaken as some serious digs on Ford it is but its meant lightheartedly so please take no offense I suppose we all have our favorite brands Im just hoping you folks have some suggestions that might work I was kinda starting to like that truck thanks B |
Have you made sure the battery or batteries are fully charged? Those diesels need alot of cranking power.
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first thing I did
my buddy said he tried to restart it and killed the batteries so first thing I did was put it on the charger overnight |
I would still have there cranking amps checked by a battery store...also a bad connection can cause what you are describing.
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well I can certainly check the connection quality
but it would be a strange coincidence if a cable connection on two new batteries less than a year old were to just happen to go bad at the exact same time as Jim putting gas in it will definitely check it out just as a process of elimination I suspect however that it is a sensor the vehicle would not act once the caps are drained like it wanted to proceed through the start up process and then revert to a dead stick if it were merely a battery issue edit ( there is no sensor that detects fuel contamination so its unlikely a sensor ) is there a code reader node for this vehicle edit ( no, I talked to ford, what there is, is a pig tail assembly to a blinking light array and a code book that you look up the blinking light pattern in to determine whats going on with the sensors ) is there an electrical shut off ( no ) do you know if this vehicle has an inertial shut off for the fuel that might possibly be causing this ( no both pumps are mechanical ) edit just got off the phone with someone who suggests the IDM module cant be tested costs about 1200 bucks any ideas ( unlikely to be the IDM module as its purely elec and would not react to a fuel contamination ) also suggested that in three blocks the pistons are likely burned through depressing eh ( possible depends on how hot the engine was when it was run on gas most folks are telling me this is not likely ) I could really use a few things to try when I go back out to were this thing is laying dead tomorrow thanks Mr Shamrock I appreciate your efforts edit of the edit being on the phone all day trying to resolve the issue the general consensus is that its not likely to be the IDM that things purely electrical and would not likely have been effected by a fuel contamination basically I went back through my post and gave the general consensus answers to my own questions as I discover em the battery idea has got potential as Jim may have caused a short in the batteries that is screwing up any substantial power transfer to the vehicle elec system not sure how that works and Ive never heard of it before but funny things do happen to batteries that are drained farther and faster than they want to go so far its the most common suggestion and the one I have yet to disprove so its off to test the batteries first thing when I get up there tomorrow rrrrrrrg |
ok
was not the connection nor the batteries I replaced the fusses that were not obviously good small metal relays is what they looked like I think they are supposed to be the type that trip and then reset themselves checked the wires and cables nothing looked amiss or resulted in anything but the same dead stick so I tried the old beat on the starter trick seemed to work thing now rolls over Ive purged everything and am now cleaning out the tanks next question is how clean do they need to be I siphoned them down to what must be less than a gallon each filled em part way up with diesel and drained it again a few times assuming an even mix ( which I may not actually get ) 1 gallon of gas diluted with 3 gallons of diesel and drained down to 1 gallon again 3 times = 1.5% gas to 98.5% diesel and then fill the tank with 15 gallons of diesel = 00.10% gas to diesel is that an acceptable ratio of gas to diesel I have no idea whats ok and what isnt |
progress report
got the tanks cleaned theoretically they should be at less than 0.002% gas to diesel ratio not perfect but seems like it should be good enough in light of no available information as to a safe ratio put it all back together and fired it up idles smooth but it was so lathered in fuel that I hesitated to even let it warm up so now I need to clean the engine but so far so good 22 hours into it half that in figuring out the electrical issue that turned out to be a melted starter + the 8 hours or so of drive time my budy killed the truck about 160 miles round trip from my house and I been up there three days so far nice eh oh well Im getting it slowly tomorrow Ill know more when I actually drive it |
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