rough idle after tuneup on 1994 Dodge Ram 2500

Van just stopped running. No warning. Replaced coil and coil sensor. It started up. Running rough so did the cap and rotor. Still rough. Replaced plugs.Still rough.rougher than previous. tried egr valve. not the problem.

Asked by for the 1994 Dodge Ram 2500
Double check the firing order on the distributor cap, maybe a plug wire is out of order. If you think its running worse than before the distributor cap was replaced. The distributor spins clockwise and the order is 1-8-4-3-6-5-7-2. Cylinders #1-3-5-7 are on the drivers side and #2-4-6-8 on passenger side.
been there done that. Fuel injectors? Or where is the fuel filter?
Possible injector, fuel filter is inside the fuel tank mounted to the fuel sender. Give us a call, we can take a look at it and diagnose it.
Just checked the plugs again for gap and defects all were fine. Seems to be getting worse now not better.
It's hard to tell without looking at the vehicle. I would have someone perform a fuel injector drop/ballance test to see if the injectors are working properly. Maybe a fuel pressure or delivery issue. The injector test requires special tools to perform properly.
1 more answer , 2 more comments
Any check engine light?
no engine light
The fuel filter and fuel pressure regulator are combined and in the fuel tank.
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