hello I have a 2000 dodge Durango with the 4.7. im having running issues it will run rough and has no power all the injectors are cheeking out good with the ohm readings.the injector wireing is checking out good as well im stuck with this problem.and now the garage I took it too cant figure it out eather can any one heer help me with this problem

 

1. Replace the spark plugs with cheapo champion copper plugs.
2. Check fuel pressure.
3. Replace pre-cat 02 sensor with a NTK brand sensor.
4. Remove the throttle body and clean it out really good including all ports. Use 2 bottles of throttle body cleaner and a tooth brush.

There is some basic starts that should help.