I just finished putting a b16 in my 91 hatch dx. I did the wiring in the car myself and got the car running. So I go ahead and take the car out for a spin and it drove great for awhile. Then out of no where the car starts sputtering and missfiring. So I parked the car and started checking out to see what went wrong. It felt like the car wasn't getting enough fuel. So checked the fuel pump its fine checked the fuel filter as well and thats new but doubled checked it. So then my next step was the fuel injectors. I started messing around with them I came out to be that when I would remove number 2,3 plugs off the injector the car would idle better but when I would plug them back on the injectors it would start idleling like shit. What could be the problem bad injectors or my wiring could be a little bit fucked up. Please any info will help got to get the car started by this week.

 

Check your wiring to those 2 clips, what is sounds like is the injectors are getting stuck open and flooding the motor. are they OEM injectors?? resistor box?? with the car running take a long skinny screwdriver and lay the tip of it on the injector, then stick your ear up to the back/end of the screwdriver and listen for a clicking sound, you should be able to hear the injector open and close. listen to a cylinder that is running right and then listen to the bad ones, see if there is a sound diffrence. LMK if anything comes up. GL

 

I replaced the injectors with some new ones that I have ordered and the car sounds and performs better. But still at idle it back fires but the car accels better and drive better and I checked the wiring out and it was fine. Someone told me to run each injector straight to the ecu and they said that should solve my problem. the injectors are oem and I didn't get to check out the resistor box but I'll try to get to that because I got another one lying around the house. Would running open header cause the problem as well with the back fire or it shouldn't do that.

 

dont run an open header

 

alright I'll get the pipeing done and see how the car performs.