Hawksfb08

I have a 95 mustang gt and I've recently installed long tube headers and deleted the smog system and now the car is running rough. At idle the car sounds almost as if it has a cam. Then when I accelerate the car sputters and jerks like it has a miss. Just to be clear I did plug the vacuum lines that go to the smog pump and have checked out all the other lines. All the ignition components where replaced about 15,000 miles ago and the only othe engine mod is cold air intake. There also isn't any cel. Any help would be greatly appreciated thanks.

mattdel

Plug wires melted on the new headers?

Hawksfb08

Na I checked that out the other day I got all the plug boots turned up so there not near the primary tubes. Any other thoughts?

94redGTConv

It doesn't seem like you've done anything to it for it to cause it to act thay way. Pull the codes. if you have any.


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mjr46

check the firing order...13726548 counter clockwise on distributor

Duncan_GT

YES. I did this when I tuned my car up last year. Had a couple of the plugs switched around, idled rough and did the same thing you are talking about. Ended up blowing the coolant radiator hose gasket that goes to the front of the lower intake manifold. Talk about a mess lol

Hawksfb08

I got it fixed a plug or two must have gotten messed up because I changed the plugs this morning and the car runs great thanks for all the input everyone