i have a 90 std hatch;i did the MPFI conversion on it;this will be the second time i did this conversion;the car is getting spark but no fuel;the motor is a OBD1 b18b1;i changed the injectors and distributor to OBDO;ive checked and rechecked the wiring;ive also switch the white wires at the distributor;every now and then i get a little sputter;im also getting fuel pressure at the injectors;ive even switched out the injectors;it has a OBDO PR4 ecu

 

did you wire in the resistor box?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by civickiller &raquo;</TD></TR><TR><TD CLASS="quote">did you wire in the resistor box?</TD></TR></TABLE>

yup all done correct;ive even tried two other ones

 

check your relays. and maybe check the wiring to your fuel injection. do the AA battery thing so they click.. sorry to be so broad hah. but you just add a little voltage to the injectors and you should be able to hear them click. and if they click then they work. if they dont.......

 

well you got 3 things, the injectors, wiring, and ecu. so you gotta start ruling them out one by one.

oh and one thing about the wiring, i just did a ls swap in my car and i had a problem with the injectors turns out it was my wiring, but i didnt wire it wrong thats the funny thing. i dont know why hte wiring is bad, everything checked out so it was a mystery to me

 

check your firing order. i had the same kinda problem, i was only hittin on the # 3 and 4 cylinder's, after six hours of eliminating things, my dad came in and swithced two plug wires on the dizzy and vroom. man was i pissed at myself.lol

 

are b18b's the same firing order as a B16;if so than its correct

 

is your resistor box getting the 12volts ? is each injector getting the right volts ?

 

im getting codes 6 8 9;and ive tried two diffrent dizzy's

 

did you try reset the ecu and see if they come back?

 

yup still there;i think my ECU is shot; what else could it be?

 

what is the ohms reading of each injector ?

 

i got it running;had a bad ecu;thanks for all the help

 

you might not be gettin a pulse to your injectors. . we are doing a similar swap but with a built zc. the motor has spark but the injectors arent gettin a pulse. make sure ur not wirin the harness to run from 2 injectors to 4, or somethign like that. that wat we finally figured out we were doing wrong