Ford F150 - 7.3 diesel wont start

trampstruck · Posted: Fri Nov 30, 2007 6:57 pm Post subject: 7.3 diesel wont start

1992 f250 7.3 starts for 3 seconds then stops.when i try to start it will not start without ethere
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some days you're a fly,some days you're a f150 windshield.

vampyrekillerprime · Posted: Sat Dec 01, 2007 1:47 am Post subject:

Did you try pulling codes yet? Even if the CEL isn't on, you can pull codes.

If it's not starting with ether, it's either a compression problem or an ignition problem. You should grab the Haynes manual if you haven't already. It has great ignition system trouble shooting info. Did this problem happen suddenly or did you notice rough running before it happened?

Also, I know you said before you had problems with your glowplugs. You ought to check them again. If the engine block is cold soaked and those plugs are having problems again, the compression stroke won't create a high enough temperature to allow combustion to happen.

bobwhitecar · Posted: Sat Dec 01, 2007 4:46 am Post subject:

you might have air in the fuel, check the bleeder on the filter housing while cranking the engine and push on the schrader valve and see if you get any fuel coming out,or if its all air,

vampyrekillerprime · Posted: Sat Dec 01, 2007 6:10 am Post subject:

you know, i totally misread your first post. that's what i get for being up at 4am. it does sound more like a fuel problem. diesel can gel when it gets really cold, what're your temps like right now? like bob said, check for air and your fuel pressure too while your at it.

trampstruck · Posted: Sat Dec 01, 2007 5:59 pm Post subject:

got it going.i was giving it to much fuel.all i had to do was to give it 1/3 on the fuel and it starts up and stays running.thanks