93 b18a1 into 91 dx hatch. injectors not firing?
ok. i traded an ej1 coupe for this car. it came with a full jdm b16 sir swap. the only thing was it had a spun bearing/ i pulled the motor out with plans to rebuild but i came across a 93 integra ls for 150 dollars. i pulled the motor and replaced the headgasket, timing belt, im gasket, and a few other things and put the b16 trans on it and slammed it in the car. now the problem, the b16 harness burnt up with the previous owner so he has a dx harness converted to mpfi and its also wired for vtec. i am using b16 injectors, b16 dizzy, and b16 alternator. everything does like it should it turns over, makes compression, has spark, and has fuel all the way until it gets to the injectors then nothing. they arnt clogged and the work fine. i cant figure out why they arnt spraying. its also throwing some cel's that i havent got to read yet. can you guys help?
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First just check and see if you get power to the injectors, just like 2-3 volts, just look for any voltage. I had this problem before and the connections were a little dirty. If you find out the CEL's it can help, but it's probably just an injector code. Do you have an LS or a LS/VTEC?
its just an ls right now, but i do have a vtec head. i might just completely convert the car to obd1 and just forget that ghetto harness.
Why do you have a PR3 ecu? That for the B16, just get a cheap PR4 and it will probably fix it or at least make it run right when you do. Or swap the VTEC head on.
resistor box should be at the firewall engine harness conector on the drivers side, it has a green 6 wire connector with 5 wires hooked up in it and has little fins on top of it, check if it is hooked up, also check your thermostat grounds
Im having the same issue, I have 12v on evry inj. with key on in #2 spot. Then when I try to start the car I get like 2-3v on the other pin as if the ecu is sending the pulse to the inj.
if youre using the OBD0 injectors then you need to be using the resistor box, if you have been trying to use the OBD0 injectors without the box then you might have fried the computer.....read hondata's article
http://hondata.com/techlowohminjectors.html
with the box, you should get 2-3v with the ignition on
http://hondata.com/techlowohminjectors.html
with the box, you should get 2-3v with the ignition on
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W0oT
Honda CRX / EF Civic (1988 - 1991)
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Jun 13, 2002 05:41 PM




