Starts and drives fine, once warm it will randomly sputter and die.

[NoHandlebars]

Okay. I have a '99. It starts up just fine, and will drive just fine. After it warms up it will randomly sputter and die while driving or coming to a stop. I can make a trip without it happening at all, or it can happen 3 times in a mile.

My CE light is on with the following codes. Before I get to them I want to be made aware I had someone check the codes a week ago and they cleared them. The light came back on with these codes <--link.

P0320 - Ignition/Distributor Engine Speed Input Circuit Malfunction
P0171 - System too lean bank 1
P0174 - System too lean bank 2

and then,
P1000 - OBD Systems readiness test not complete.

When I checked the first time I only had the 2, too lean codes. Checking today I seen the P0320 for the first time.

This is it running at almost 2k rpms and warmed up. <--link

Again, it only dies when warmed up.

I am newer to these engines. What would your guess be? Crank Sensor? Cam Sensor? Coil pack? Any guess is better than mine.

If you are curious about anything, I have a new alternator, new plugs and wires in it.

I appreciate all help in advance.

 

[TxGasRacer]

http://troubleshootmyvehicle.com/ford/4.0L/troubleshooting-P0171-and-P0174-page-1

 

[NoHandlebars]

Well because it threw the P0320 code at me, I replaced the Crankshaft Position Sensor this morning and cleared the codes. I have driven 2, ten mile trips so far and it hasn't quit out on me or acted up yet. So now time will tell.