I just finished installing a new star stage 2. I am almost positive that everything is installed correctly, but when I start the car, it runs and then dies. I re-gapped the spark plugs already. It also won't rev above 4000 rpms. The only thing I can think of is maybe a fuel problem (FPR, FCD, or fuel pump). Please help!

Check your MAP sensor and FCD/VC1. When it won't rev higher than around 4000RPM andf you're getting a CEL (code 14 if you can check it) it's almost always a MAP/FCD problem.

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"might be empty on boost fluid" that post the other day killed me I laughed so hard.

You probably just got some wires either mixed up or not completely making contact in the map/fcd area. You should ditch that FCD anyway for the missing link

1998 dodge avenger 4 cyl AT
Mods are:
Not enough