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Ej22 swap starts but won't stay running
Posted 12 September 2012 - 09:54 PM
I have fuel, pressure and power to the fuel pump. 12v running.
Anything would help, I really want to get this going so I can hit the trails with some of you guys! Any ideas?
Posted 12 September 2012 - 10:23 PM
Posted 12 September 2012 - 10:39 PM
I think one thing that commonly causes this is the connection under the intake that's for the big hose to the IACV.
Just went and looked around my IACV for hoses unhooked and it looks like nothing is unhooked.... And it looks good no cracking old hoses either.
Posted 12 September 2012 - 10:50 PM
Posted 12 September 2012 - 10:59 PM
maybe pull plugs and look for a wet one? perhaps thers some flooding from a bad injector?
I would think that there would make it hard start and not idel perfect when first fired up. Oh and the engine ran perfect when I pulled it, I drove it home. poor ej auto trannys.
Posted 12 September 2012 - 11:27 PM
you said 'choked' but after re-reading, yeah, maybe it's starving for fuel after the pressure drops?
maybe wire around the ecu control to the fuel pump with direct 12v and see if it stays running?
maybe someone else will chime in with an idea.
Posted 13 September 2012 - 03:06 AM
Haven't had any problems since then.
Posted 13 September 2012 - 07:33 PM
PCV hooked up correctly?
Oil cap on?
Any of those things can cause an unmetered air leak.
Posted 13 September 2012 - 08:45 PM
I noticed when I tryed agin today, I fired it up, did go agin, so I looked under the hood and heard the ignition relay clicking every couple seconds with the key off along with the fuel pump going on and off.... So I think the ignition relay is bad now or has been. Could this cause this? I'm guessing it could of it turn off the fuel pump or turns off one side of the relay that goes to something else... Hmmmm... While that was clicking I could hear something else clicking? I'm going to go and check voltages on the fuel pump why'll it runs till it dies...
Posted 13 September 2012 - 09:03 PM
For other people who may do this simple mistake........ Heres my photo of what I did wrong.......
It was sucking to much air with out the filter system hooked up so it was choking it..... Over aired... I can't believe I did this... I stuck my hand over it and it reved up perfect.....
Thanks guys!!! Should have my sub finished with in the next week!! Then hitting the trails!!
Posted 15 September 2012 - 02:01 PM
Posted 16 September 2012 - 01:47 AM
Filter box not being hooked up should not cause it to die like that. You may have a bad MAF.
Yeah I've never ran a MAF'ed ej22 but I ran my nissan for months with no filter on the MAF without problems back in the day.
Posted 16 September 2012 - 08:14 PM
Posted 18 September 2012 - 05:05 PM
time to button her up!
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