So i recently put back together my B18B1 and it only runs on 3 cylinders right now. Determined that the 4th cylinder wasn't getting any fuel at all. The spark plug was dry and pulled off the injector which was also dry. So swapped the injectors around and still the same cylinder wasn't firing. Not really sure what else to look at.

 

check wiring and injector clip. are you using a resistor box?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by count me out &raquo;</TD></TR><TR><TD CLASS="quote">check wiring and injector clip. are you using a resistor box?</TD></TR></TABLE>
the clip and the wiring are in good shape (just went out and looked) no resistor box

 

check for voltage in that particular injector clip. if you swapped injectors around, its either a problem with wiring or the ecu. did you use an ecu you didnt use before?

 

i haven't checked the volts yet but when i did my swap i had a few harnesses chewed up and had to rewire them... i thought maybe that was the issue but it wasn't. the injector wires were never rewired or damaged. also this is the same ecu i was running before without any issues.

 

its a wiring problem homie. check voltage at that injector clip and find out for sure.

 

Well i got a volt meter... checked my wiring and it was in good shape. I also plugged in one of my new 450cc dsm injectors and it started pumping... soo that got me thinking. I started the car and removed the 2 and 3 cylinder injector clips and it started to run off the 4th one... So what's happening is the 1st cylinder is getting a whole lot of fuel then it progressively gets worse the farther you go. So would that be my fuel pump? It is the CX pump which is used to pumping fuel for a 70hp single cam now trying to pump for a 200hp B18. or is it something else?

 

its not the pump unless its aftermarket and even then, my money, fuel pressure regulator.

 

so grab a new fpr and hoses?