1400 is dpfe, 1151 is an 02 sensor code, 1131 is also 02s11 code, P0316 = Engine Misfire Detected on Startup (First 1000 Revolutions)
Po301 Cylender 1 misfire, p0174 lean condition bank 2, And p0171 is lean bank 1. Either this is in need of a whosale of repairs or you have computer issues, From looking at the codes i would first do a complete tune up, Including wires, And inspect for a vacume leak before replacing any 02 sensors..
Not 100% sure, but check for a rubber elbow on the back of the throttle body. The codes listed could be a few things, but the list looks to be the cracked rubber elbow. You might need to remove it to check for cracks ( or it is some where around 20.00 from Ford ).
This is a picture of the IAC on my 2001 ( 5.4 ) but the rubber elbow is just above the IAC. You will need to remove the plastic throttle body cover to access it.
Next could be the MAFS ( Mass Air Flow Sensor ) is dirty, if the elbow does not prove any results ( after replacement and battery disconnect for 10 min ) clean the MAFS with MAFS safe cleaner ( says on the can, if it is not on the can, it is not MAFS safe ). This is the tower with the wire in the air cleaner housing. Do not touch the MAFS wire, only spray with the MAFS cleaner.
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