OK my question is,I have a 98 mustang 3.8 and the dam thing is running bad.One thing it is doing is at a stop light still in drive the dam thing feels like it is running on 5 cyl instead 6.Then on take off it spits and sputters and it takes off,also going down the highway going about 45 to 50 mph you can feel like it is skipping!!!! I did have 1 o2 senser go bad cause it was running rich,thats what the dealership said. I have not checked for vacume leaks yet cause i am try to get some feed back first so PLEASE HELP anyone..

 

Get help HERE!!!!

 

and now I am moving this question to the right forum...please read Pro's link too!

 

Change your plugs and plug wires. I'm pretty sure that'll fix it. Motorcraft, Autolite, NGK, and Denso make great plugs.... don't get Bosch!!!! Motorcraft, MSD, or Autolite make good plug wires.

 

and if the plugs and wires dont help thats exactly what mine was doing before the head gasket went out the next day