only 1 injector firing in my sr - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

nissandriftky · 05-05-2007, 05:00 PM

ok here is my issue...
after hours of searching i come to zilvia
i'm a longterm nico club fan and there stumped so lets see what you guys think...
installed sr in 90 240...yes yet another install problem..make a long story short
had no spark fixed that,transmission nuetral switch
had no fuel fixed that, walbro 255

now i only have one injector firing...i used some starter fluid and the darn thing runs great. but i'm only getting fuel out of my injector near the fire wall. i hope my ecu is not screwed any ideas?

'90RPS13 · 05-05-2007, 05:36 PM

getting power to the injectors?

nissandriftky · 05-06-2007, 12:27 PM

yes, all four injectors have two wires to them one of wich is always hot the other i'm asuming is a signal wire

drftwerks · 05-06-2007, 12:59 PM

well get a test light,

clip to B+ on batt

and back probe on the injectors, the one thats not hot at all times, see if it blinks, if not the backtrace to the ecu, see if there is any breaks or something, if not, then i would say try another ecu.

nissandriftky · 05-06-2007, 03:32 PM

i took the fuel rail off and hooked fuel up swictched the wires around and tried to start then none of the injectors did anything which tells me that the injectors must be bad not signal cuz if there was no signal then the first injector wire should fire on the second injector (wrong order but should still squirt right?)
oh and i had my fuel lines crossed at first so maby i could of got some trash in the injectors? any way to clean them, or get some new ones?

shayrgob240 · 05-06-2007, 06:05 PM

First of all, learn some grammer. Secondly, get yourself a test light.

Actually, if you want to do this according to the textbook, buy yourself a noid light kit. But since you probably don't want to spend the $ just use your test light to see that the ECU is switching the injectors on/off. If there isn't any switching...follow the wiring to ECU and see if there's an issue. If there is injector switching, then the electrical side of things are A ok, but that doesn't tell us anything about how the injector is mechanically. The injector could be stuck closed, hence no fuel. Just do these basic tests and get back to us.

nissandriftky · 05-07-2007, 06:07 AM

haha.. zilvia mods please add spell check

i'm jk
anyway, well i do have a test light. and i did do that.
secondly after this post i went home and swapped the injector that was working #4 with #1 injector and it fires so i put an order in for some new injectors...i think this should get me running. oh and by the way

Ithink i like zilvia better than nico
haa oh sh*t i just notest there is a spellcheck

***S14DB*** · 05-07-2007, 07:35 AM

get FireFox and Google toolbar. Both have spellcheck.

nissandriftky · 05-07-2007, 08:17 AM

I've got spell check i was just being stupid...your mom goes to college!!!

seriously though thanks for the help ....

nissandriftky · 05-09-2007, 05:44 AM

she's ALIVE!!!! finally thank you i took out for a spin last night runs absolutely sweet! thanks alot to all

ps.
sorry for the run on sentenance, exited!
i'll try to post some pics so you can see what you helped me with

05-06-2007, 03:32 PM	#5
nissandriftky Users Awaiting Email Confirmation Join Date: Mar 2007 Location: ky Age: 39 Posts: 12 Trader Rating: (0) Feedback Score: 0 reviews	i took the fuel rail off and hooked fuel up swictched the wires around and tried to start then none of the injectors did anything which tells me that the injectors must be bad not signal cuz if there was no signal then the first injector wire should fire on the second injector (wrong order but should still squirt right?) oh and i had my fuel lines crossed at first so maby i could of got some trash in the injectors? any way to clean them, or get some new ones? Last edited by nissandriftky; 05-06-2007 at 03:34 PM.. Reason: didn't finish

05-07-2007, 07:35 AM	#8
*S14DB* AFC #1 Join Date: Oct 2003 Location: 昨晩あなたのお母さんの家 Posts: 20,181 Trader Rating: (3) Feedback Score: 3 reviews	get FireFox and Google toolbar. Both have spellcheck. __________________ Comments should be taken as Opinions not as Statements of Fact

05-05-2007, 05:00 PM	#1
nissandriftky Users Awaiting Email Confirmation Join Date: Mar 2007 Location: ky Age: 39 Posts: 12 Trader Rating: (0) Feedback Score: 0 reviews	only 1 injector firing in my sr ok here is my issue... after hours of searching i come to zilvia i'm a longterm nico club fan and there stumped so lets see what you guys think... installed sr in 90 240...yes yet another install problem..make a long story short had no spark fixed that,transmission nuetral switch had no fuel fixed that, walbro 255 now i only have one injector firing...i used some starter fluid and the darn thing runs great. but i'm only getting fuel out of my injector near the fire wall. i hope my ecu is not screwed any ideas?

05-05-2007, 05:36 PM	#2
'90RPS13 BANNED Join Date: Jan 2006 Location: NC Age: 38 Posts: 2,839 Trader Rating: (0) Feedback Score: 0 reviews	getting power to the injectors?

05-06-2007, 12:27 PM	#3
nissandriftky Users Awaiting Email Confirmation Join Date: Mar 2007 Location: ky Age: 39 Posts: 12 Trader Rating: (0) Feedback Score: 0 reviews	yes, all four injectors have two wires to them one of wich is always hot the other i'm asuming is a signal wire

05-06-2007, 12:59 PM	#4
drftwerks Nissanaholic! Join Date: Mar 2004 Location: california Posts: 2,343 Trader Rating: (1) Feedback Score: 1 reviews	well get a test light, clip to B+ on batt and back probe on the injectors, the one thats not hot at all times, see if it blinks, if not the backtrace to the ecu, see if there is any breaks or something, if not, then i would say try another ecu. __________________ giantroboteyes.wordpress.com/

05-06-2007, 06:05 PM	#6
shayrgob240 Zilvia Junkie Join Date: Jul 2003 Location: gurnee, IL Age: 40 Posts: 441 Trader Rating: (0) Feedback Score: 0 reviews	First of all, learn some grammer. Secondly, get yourself a test light. Actually, if you want to do this according to the textbook, buy yourself a noid light kit. But since you probably don't want to spend the $ just use your test light to see that the ECU is switching the injectors on/off. If there isn't any switching...follow the wiring to ECU and see if there's an issue. If there is injector switching, then the electrical side of things are A ok, but that doesn't tell us anything about how the injector is mechanically. The injector could be stuck closed, hence no fuel. Just do these basic tests and get back to us.

05-07-2007, 06:07 AM	#7
nissandriftky Users Awaiting Email Confirmation Join Date: Mar 2007 Location: ky Age: 39 Posts: 12 Trader Rating: (0) Feedback Score: 0 reviews	haha.. zilvia mods please add spell check i'm jk anyway, well i do have a test light. and i did do that. secondly after this post i went home and swapped the injector that was working #4 with #1 injector and it fires so i put an order in for some new injectors...i think this should get me running. oh and by the way Ithink i like zilvia better than nico haa oh sh*t i just notest there is a spellcheck

05-07-2007, 08:17 AM	#9
nissandriftky Users Awaiting Email Confirmation Join Date: Mar 2007 Location: ky Age: 39 Posts: 12 Trader Rating: (0) Feedback Score: 0 reviews	I've got spell check i was just being stupid...your mom goes to college!!! seriously though thanks for the help ....

05-09-2007, 05:44 AM	#10
nissandriftky Users Awaiting Email Confirmation Join Date: Mar 2007 Location: ky Age: 39 Posts: 12 Trader Rating: (0) Feedback Score: 0 reviews	she's ALIVE!!!! finally thank you i took out for a spin last night runs absolutely sweet! thanks alot to all ps. sorry for the run on sentenance, exited! i'll try to post some pics so you can see what you helped me with