Have a 2003, 4 cyl for mu daughter. I am getting 2 trouble codes. One is for a misfire in one cylinder only and the other is low RPM misfire. I replaced wires/plugs, but still does it. Only seems to misfire when you accelerate from a stop. Truck has about 130K. thoughts?

 

Have you checked the throttle butterfly for dirty coating. Careful cleaning with appropriate cleaner may correct the problem.