will ran if rpm is above 2.5k

Question

starts and will idle if drop a drip of gas every 2 seconds down air horn. Sound as if 1/2 of some thing is shut off then will die, but if rpm is held above 2.5k will stay running. Next I believe error codes need to be cleared and try again?
error codes p0353 p0352 p0351 p0121 p0320 p0118 p0123 p0340
some of my sons girl friend brought this over and spent allot of money already. new distrib, crank position sensor I placed another air horn with all sensors on it with no luck seems to be fuel related but not sure if it is pump. Does not look like fun changing??

Answer 1

P0121 Throttle position sensor / switch A circuit low input

P0320 No crank refference sinal at PCM

P0353 Ignition coil # 3 primary circuit

P0351 Igntiion coil # 1 primary circuit

P0118 ECT sensor voltage too high

P0123 Throttle position sensor voltage too high

P0340 No cam signal at PCM.

Circuit high codes are disconnection of the sensor, disconnecting a sensor will set a code condition. Clear the code and run the vehicle without disconnecting anything and no adding fuel this could set other code condition, If you want to be sure if it is or is not a fuel pump related a fuel pressure test should be perfromed.