hard starting 7.3L
New User
Joined: Dec 2009
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hey guy i got a 92 f-250 with 240,000 + and yesterday its was getting harder and harder to start it will crank im getting fuel to the filter and weird thing is if i get a pull and pop the clutch she fires right up i have had the block heater pluged in all night and it wont start this morning no smoke coming out the pipes so my guess is im haveing trouble getting fuel its raining here right now so i can work on it till i get a pull start and drive her down to my buddy's house any help would be great thank ya'll
Post Fiend
Joined: Oct 2007
Posts: 10,501
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From: Faibanks Ak.
Usually if it is return lines it will start, then die then be hard to start again in decent weather. It sounds like you have a glow plug problem, possibly a fuel return problem too.
There is a fuel heater too it is in the top of the fuel filter header on the 7.3's and in the fuel line between the pump and the fuel filter on the 6.9's.
The diesel could also be a problem if your not running a fuel antigel additive depending on how cold it is and what blend your supplier has.
There is a fuel heater too it is in the top of the fuel filter header on the 7.3's and in the fuel line between the pump and the fuel filter on the 6.9's.
The diesel could also be a problem if your not running a fuel antigel additive depending on how cold it is and what blend your supplier has.
New User
Joined: Dec 2009
Posts: 4
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thanks for the reply man ok so if i take a test light to the glow plugs do i need to pull them out or can the stay in ive heard that on the 7.3 the glow plugs could break off trying to take them out also this truck came for neworlands la to exmore va this will be its first real winter and its starting to get cool like 28 f in the morning but i went out there an gain this morning she fired up ran great and no wont even give me smoke wile cranking so thank u and i would appreciate any more help yall could give me
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 15
From: Nutter Fort, WV
I think you have a glow plug problem.
The fuel shut off solenoid is inside the IP, back wire drivers side.
With the key on, if you remove and install the wire, in a quiet place you should hear a faint click as it opens and closes.
If the FSS was not working, it would not run when you pulled it.
Also what condition are the batteries in?
Cold weather makes what was a marginal battery in warm climates so much excess weight to carry around.
So I would also have the batteries load tested.
If you do that, most auto parts stores will test them for free, but just make sure you unhook the ground wire from one battery so you can test them one at a time.
Otherwise the test is useless.
The fuel shut off solenoid is inside the IP, back wire drivers side.
With the key on, if you remove and install the wire, in a quiet place you should hear a faint click as it opens and closes.
If the FSS was not working, it would not run when you pulled it.
Also what condition are the batteries in?
Cold weather makes what was a marginal battery in warm climates so much excess weight to carry around.
So I would also have the batteries load tested.
If you do that, most auto parts stores will test them for free, but just make sure you unhook the ground wire from one battery so you can test them one at a time.
Otherwise the test is useless.
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