1998 Dodge Ram 1500. The truck ran fine until I changed the Spark plugs, wires, distributor cap, and rotor button. Now it acts cold natured even when its warm outside. It also randomly hesitates during acceleration to the point where it sounds like the truck has quit running, but then it keeps going. The hesitation only lasts for a couple seconds.

 

Welcome to DF!

What spark plugs did you install? Are you ABSOLUTELY SURE you got the firing order right? Does the truck feel like it is trying to shake itself apart when it shifts into Overdrive?

Moving this to the second gen ram section for ya.

 

Champion copper plus spark plugs. I double checked the firing order again. It doesn't shake. It almost feels like the fuel is being shut off for a second or two then goes back to normal for a few minutes and does it again. I never drive this truck over 50 mph but it does seem like when it does this , that it does run smoother at lower speeds.

 

Try swapping the ASD relay, and the Horn relay. See if that makes any difference.