1991 Ford E-250 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1991 Ford E-250
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1991 Ford E-250 ProblemsMisfire, Hesitation, Rough Running from Engine, Notably After Ignition Wire Replacement
The engine may have a misfire, hesitation, and/or run roughly – notably after a service and/or ignition wire replacement. If after recent ignition wire replacement, the cause can be misrouted ignition wires. The wires from the distributor to the valve cover must be routed correctly to avoid interference and induction crossfire. Verify all clips are used to secure and separate ignition wires.
This concern relates specifically to the E4OD and 4R100 automatic transmissions. Transmission fluid leaking from the front of the transmission bell housing may also be accompanied with shifting and transmission engagement issues. This is often caused by transmission overheating and is the sign of a significant internal transmission problem. The superficial cause is the failure of the front pump seal of the transmission. The immediate repair is to remove the transmission, replace the front pump and seal, replace all fluid with the transmission filter, and verify proper flow through the transmission fluid lines and cooler. It is also recommended to make sure the vehicle is not pulling a load that is heavier than the gross vehicle weight limits because this can cause the transmission to overheat. Depending on the transmission's mileage, this can also be a good time to consider a complete overhaul or replacement with a remanufactured unit, as often just the pump and seal replacement is a short lived remedy.
A defective thick film ignition (TFI) module can cause the engine to stall while driving, or the engine may not start. A failed TFI module will require replacement.
1991 Ford E-250 QuestionsWhy is my van hard to start after a long trip? (2 answers)
Battery is brand new, cabls are clean and tight. It starts fine when cold. After a long trip it drags like it doesn't want to start. After it cools down it starts up fine.
I own a 1991 Ford E250 Cargo Van - The transmission will not engage in gear to go forward, reverse works fine, I've dropped the pan replaced the oil filter I've added Trans X and still will not engage in any of the gears to drive forward , only reverse works. is there any quick fix for th...
it shakes hard and I want to know if its the fuel system or a blown head gasket