1991 Ford F-250 Questions

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My oil pressure gauge has quit working properly. It shows low or no pressure when I am sure the engine is fine. I did check today while looking for a sending unit or direct line to the oil pressure gauge which sudden...
Started truck to let it warm up. Came out and truck was no longer running. I checked fuel good. Checked spark. And nothing. So I replaced coil. Still no spark. I checked and I have power to coil but no spark. Why?
When i turn left, everything is OK. When I turn towards the right, it's very hard to turn (2 hands). I checked my ps fluid, the cap was off (not a snug fit?). I added fluid, drove a few miles still same problem. I loo...
Is this the ecs valve, or a fuel pump It has had tune up, spark plugs, wires, and air filter replaced. Gears and clutch has been replaced as well.
This is a box truck which appears to be the same size as a FEDX truck. I am assuming its a 250
The oil pressure and battery volt meter gauge work fine. I was told that these gauges are all on the same fuse. The heater works fine so I don't think its a bad thermastate. Any advice would be very helpful Thank You
i have recently bought a 1991 f250 4x4 and now i have oil in my coolant. i have flushed the system and i still have it there. i put bars block seal but i dont think i flshed it well enough. how can i flush it without...
what causes the engine to die out, it will restart seems like something get hot and after it cools off it restarts
whats the best way to replace ignition electrical switch? On a 1991 ford f-250 truck.Anybody going to answer me?
I have a 91 f250 with a 5.8L with and over drive autom.tran.when you use the cruise controll it works good,but if you turn on headlight it disengages.I have checked the grounds under the hood and at rear on bed.They a...