Greetings, Scott;
The first thing I would recommend before going any further is to perform a compression test. If the head gasket is leaking between cylinders #2 and #3 it would result in a loss of compression on both cylinders at the same time.
THe fuel injectors are individually controlled on this engine. If you obtain a noid light from your local auto parts store (about $10) or a logic probe from a place like Radio shack (about $20) you can then check for power and ground pulse at the fuel injector plugs for the affected cylinders to see if you have a control system problem or not. Note: do NOT use a 12 volt test light to check for fuel injector pulse; the test light does not have a high enough input impedance and the resulting high current flow through the test light can damage internal ECU injector control circuits.
Take a stethoscope or a long thin screwdriver held to the ear, and place it against each fuel injector to verify that they are clicking and sound the same when the engine is running.
You may also want to swap spark plugs and wires (if they will reach) between the cylinders that are working and the ones that are not to see if the problem oves; obviously the coils are generating sufficient voltage to fire the plugs, but you really don't know if the spark is jumping the electrode gap or grounding through a faulty spark plug. If this engine design has teh plugs set way down in wells in the head (my information does not show any illustration), it is also possible for spark to jump from a wire with faulty insulation to the well of a plug tube where you cannot see it when it is assembled, effectively grounding the cylinder.
My repair manuals show this engine as having a distributor. REmove the distributor cap and carefully inspect for any signs of carbon tracking between cylinders inside the cap; this can result in spark plugs cross firing (firing at the wrong time), resulting in an engine miss even though spark will be present at the wire ends.
I hope this is helpful to you; if so, an accept would be most appreciated! Thanks!
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