what sensors on a D16A6 control the injectors or tell the injectors when to spray?? my injectors spray but only once.

 

Feul injector resistor, O2 Sensor, TPS, ECU...Etc

Sounds like the feul pump. Have you done a Feul flow test?

 

injectors opened by ecu ecu determines when the injectors open using the factory mode in close lope and rely,tps,tdc,map on 02 temp the rest in closed loop

 

x2

 

fuel pressure is good, distributor is brand new, fpr is good, and the injectors spray strong but only once....I need to find out how to test the iat sensor and any other sensors the ecu read to adjust the injector pulse or spray

 

dont waste time on iat

 

then where should I go from here??

 

after they fire up is the presure remaining or does it go away

 

yeah dont waste your time....

but how do you know its only sprays once?

did you check your fuel main relay?

 

i do not know nothing about the car crx dx trim or nothing i would check the complete wiring harnesses and use a manual to see what goes where and use a ohm meter to check continuity in all the wires. sensor do no go bad over night and if your car was running previously before you started doing things to it then sensor should be fine what harneses do you have something is not wired correctly

 

this is a dpfi swap to mpfi swap and all the wires have been checked and rechecked and the all go to their proper pin outs on the ecu.I also checked both main relays I own and I tested like it says and have continuity between all the points..and the fuel pressure stays constant when cranking.. I know they spray once is I pulled the rail and injector then zip tied em in so they wouldnt blow out and cranked it they all did the initial start up spray then nothing else...I did try starting fluid 2 times and both times it fired up and ran rough for a min then died. thats why Im trying to figure out what tells the ecu to fire the injectors

 

Im still not having any luck with this problem ....

 

i seems to be having the same problem, im getting only 8.4 volts to the injectors, and they are not firing any fuel what so ever