Not much to go on.
Freebies (almost)
Old gas.
Check your fuel pressure. Need 40+.
Check for vacuum leaks. Cover the iac intake port by pulling the intake tube and cover the hole in the bottom of the TB with your finger. Should cause the engine to die fairly quickly. If not could be leaks.
Run the engine in the dark and look for sparks/arcs on the plug wires or else where.
Timing.
Disconnect egr valve line.
Check to see if your EGR pipe is broke.
Add/check grounds to the engine.
$ item.
Module.
pickup coil.
plugs
wires
coil.
map sensor
temp sensor
bad/sticking injector. (do a balance test)
worn timing chain.
Sure there is more...
[This message has been edited by Dodgerunner (edited 04-14-2006).]