Friend having issue, any ideas?

my car is now running on 3 cylinders and i have no idea what it is, this fucking sucks
 
i swapped out all 4 injectors and fuel rail like 3 days ago, i am getting spark to cylinder #1 (which is the one not working), im thinking of a couple things, either like u said an injector which i doubt could be it, the injector signal(trying to get/borrow a noid light kit) or something is wrong with the dizzy/dizzy cap im truly stumped right now
 
ronchmeister said:
i swapped out all 4 injectors and fuel rail like 3 days ago, i am getting spark to cylinder #1 (which is the one not working), im thinking of a couple things, either like u said an injector which i doubt could be it, the injector signal(trying to get/borrow a noid light kit) or something is wrong with the dizzy/dizzy cap im truly stumped right now
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maybe one of those injectors where. bad. try swapping one of them out for another one. if problem continues. check ground to the injectors.. and lastly dizzy.
 
swapped the injector and so far so good, doesnt sound like a subie anymore tho :/
 
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I posted the original in a rush just before heading to Miami for weekend... the car is a dohc ka- so no boost tonymac.
 
ive been searching all around and found ka w same problems. and ppl solved the problem by cleaning the MAF.
also by spraying fluid threw the egr lines and rev
or cleaning the IAVC
 
although changing the injector helped and fixed the 3 cylinder problem im still running with major hesitation and lack of power, someone told me it could be a sensor so my next step is to run codes and see what it says
 
check fuel pressure. fuel is good, yup. I like fuel. Maybe your timing is way off, shit maybe you have bad fuel in the tank, it happens. blah blah blah (sorry a little stressed out)
 
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Urban said:
check fuel pressure. fuel is good, yup. I like fuel. Maybe your timing is way off, shit maybe you have bad fuel in the tank, it happens. blah blah blah (sorry a little stressed out)
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i just changed the fuel filter and upgraded to a z32 filter and car runs the same ive swapped the fuel pump in the past with no change so dont think its the fuel pressure, swapped fuel rail and injectors, again no change, different spark plugs no difference, adjusted tps no difference, i ran the codes in diagnostic III and gave me code 41 which isnt a code in the fsm so am left guessing again, tommorow ima swap the dizzy cap and then possibly the dizzy itself and redo the timing myself(no idea what the previous owner did to the poor motor)
 
boxmod said:
here is what I know:
I was driving home yesterday on the freeway.. I was cruising and then I got on the gas to pass a car. When I did that its like I lost 40 % power. The car just kinda bogged, I cam to a stop light and the rpms were really low like it wanted to stall. The exhaust actually sounds muffled as well. So I went home got MAF cleaner and took it off and cleaned it… and changed my spark plugs. It didn’t fix the problem. I hear it could be injectors… MAF issues, or even a clogged Cat Converter? You have any ideas? Oh yea im changing the fuel filter when I go home to see if that does anything?

I gave him a few ideas but told him I'd post it to find more if any. Thanks.
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to me this sounds like a bad injector. idk ive had plenty bad injectors and sounds like what your saying.
unplug *one at a time*. till you notice no diffrence. the one that has no reaction on the car is the bad one
 
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