Since no one else has answered I will add an answer. Having owned a 1988 Ford diesel (long gone) I occasionally read about diesel problems. There was a sensor on newer models which I believe was a crankshaft position sensor that was a lot of trouble. Even the replacement part was not perfected and there was third generation of the same part that had a different color plastic that was finally a good part. Can't say whether it was the grey or black plastic housing that was the good one, but the color of the part made the difference. Only in the industry do the coding of the Engineering changes show up. Sometimes the suffix has a code letter and an early part may be an "A" and a re-engineered part would then be a "B" or further letter...C,D, etc.
I used to be a Ford parts guy that supplied the Dealers. Sometimes it pays to talk to the Dealer parts guys because they hand the replacement parts to the mechanics to install and the parts guys know what they reorder and restock.
Your defect codes should be systematically eliminated.
SOURCE: truck starts, dies. truck runs good some days,bad the next
I had the same problem with My 1990 F150 300 6cylinder 4x4.....I cahnged all the same things you did, finally I sprayed a can of Gumout through the throttle body and it worked and ran great. Now I add fuel injector cleaner to the gas and a regular clean with the gumout and the problem has'nt come back. Good Luck to you and hope it works!
SOURCE: Won't start
I have the exact same vehicle and had the same problem last year. There is a service update that can be applied at your dealer. It reprograms the order in which your fuel injectors fire. My truck would bairly start and when it did it would blow smoke and sounded like the rods were going to go throught the floor boards.
I would say you are having the same issue. Hope this helps,
H
SOURCE: 98 ford escortLX starts and runs for about 1 min and then stalls
check fuel pressure regulator.+ vacuum lines going to it look see if gas in vacuum line.if so regulator rupture.
SOURCE: 2001 F350 7.3 Hard starting Frist start up for
I think u shud inspec fuel injector pump-its the heart of a diesel--also do a compression chec--purchase a haynes manual or go to library sec629
SOURCE: I have a 1987 F350
take the shut off valve out of the injector pump and inside the valve is a round metal body with a rubber seal on the end ,check this seal hasnt swollen and stuck ,also check inside the primary fuel filter for any transparant pieces or crystal ,this is a problem i have been getting of late with people putting this bio fuel into the tank ,it causes this crystal stuff and it damages the injector pump as it passes through the filters and solidifies in the injector pump and kills them.just though before you start pulling it apart crack off a couple of injector pipes and get assistant to crank engine throttle wide open and see if its pumping fuel first this will give you some idea what to look for ,leave this answer in your e mail box so you can get back to me later after having a look ,but please remember the time zone difference
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