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94-98 PowertrainDiscussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect...NO ADVERTISING
I am having some major issues with my truck. It is a 1994 12v auto 4x4. I drove it to work this morning and had no issues at all. After getting off work i went to start the truck, no issues yet. out of no where it stalled out. It fired right up, and when i put it in gear it stalled again. When i tried to start it a third time it smoked really really bad, whiteish blue. a buddy said that it could be gelled up so i poured a bottle of diesel 911 in the tank, and put a 50\50 mix into a new fuel filter. it would then only start with the help of a TINY shot of ether. when i ran it through the rpm range it would randomly miss. the miss was not at any particular rpm point. my friend cracked a few lines and it seemed to be getting fuel to all injectors. if i really put my foot in the accelerator and then let up on it it would idle fine for a few seconds, maybe 15 seconds, then miss a bit and stall out. the truck has about 230k on it with, as far as i know, original injector pump, lift pump, and injectors. what areas should i be looking at first?
Not sure on the starting issue but do yourself a favor and never use ether, its best to use a spray silicone that's flammable. You may have already known that and used ether in a pinch but I figured I would throw that out there just encase.
If your truck is working right ether can literally blow up when used. There is a grid heater in in the intake manifold. Think of it like a toaster in there. When you squirt ether on that hot glowing metal it can easily go "BOOM" and break something expensive.
Hopefully others will chime in here. From what I have read maybe your timing slipped. Absolutely check your filters. You may have a clogged filter that would cause problems.
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1997 3500 club cab Automatic 3.54 gears towing and camper package. Still stock with 116k on it so far. 4" dynomax stainless exhaust, 4kgsk, and pacbrake exhaust brake waiting for installation. Still need ideas for improvements for hauling 15k fifth wheel.
Check the tech section. There is a write up for advancing your timing as well as setting it back to stock. Does sound like a timing issue though to me.
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'97-5" straight #100 ff, 19*, 4k gsk, valair dd clutch, 1-3/8" billet input, ARP studs, 60# springs, BD Super B over s475, 024's, Mayville WI best 5x14's,
'90-4" exhaust kdp killed
We can get the truck to run, it just has an occasional miss. And it won't idle. I will look into the timing. Thanks for that link, it is super helpful. The part that gets me is I havent really had any issues until yesterday, what causes the timing to be off?
It slips due to the way the timing is adjusted, by moving a tapered shaft on a tapered gear with no key to keep it from moving.
Only a clean surface and sufficient torque keeps it from slipping.
__________________ Bill
'95 2500 4wd auto
'95 3500 5 speed heavy hauler
Stock for one day
I had these same symptoms, prefilter on the bottom of the fuel heater was jammed with black crusty san'ish looking material.
If you don't KNOW the history of the fuel system and/or don't know your fuel pressure you need to:
1) Replace lift pump (easy and cheap)
2) Replace OFV (also, cheap,.... easier)
3) Delete fuel heater and clean/replace prefilter (free/cheap, EASY)
4) Visually check all your lines for leaks, this usually isn't the problem with your symptoms, but WILL cause hard starts and other issues.
5) Replace fuel filter at some point throughout these steps.....
6) Get a fuel pressure gauge, in cab preferably.
I can't say this IS your problem, but eliminating it from the equation is a one evening and a few hundred dollar process (max).
Yes, but doesn't sound like your problem.
Just a fuel pressure gauge will saving you from throwing needless parts at it.
You don't need to get fancy just for diagnostics, a $10 gauge from the hardware store will work fine.
Instructions> http://www.cumminsforum.com/forum/94...-12-valve.html
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