Jeeps running weird

[ct67_72]

You need to identify the problem before throwing parts at it. Checking the voltages etc. would have been a start. You cant just pull injectors and check them or just check supply voltage etc. You have to graph the sensors and see whats going on.
What EXACTLY does it do now?
Have you checked for a vacuum leak again? At first thats what it sounded like. I konw its got new intake gaskets now but dont rule out that the manifold could be cracked.
Also you will want to graph the ECT/IAT sensors. Either one could also cause an issue and not set a CEL.

[Zullock Holmes]

i know the problem..... you're Jeep is missing 2 cylinders

[ct67_72]

i know the problem..... you're Jeep is missing 2 cylinders

/THREAD

[armadasx]

Check fuel pressure.?could be the fuel pump.

[ninetysix-ex-jay]

Check your grounds before you go any deeper with electrical. Run a jumper cable from the block to a body ground if you have any doubt.

[Henchman]

I have constant fuel pressure. Checked that yesterday.
Gonna start with doing the electrical next

[ct67_72]

Also, what are your long term fuel trims?