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tdavi280

R34 starts then stalls instantly

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I've just put a rb25det neo into my r34. Motor was imported from japan. It is a factory manual n/a shell. I have a z32 afm, front mount intercooler, gcg hi flow turbo. ECU is a PowerFC. Still running factory injectors and the standard fuel pump. I have a walbro 460 and bosch 1000cc injectors ready to go, putting this in before my tune then getting the car towed to my tuner.

Now to my issue, I try to start the car and it runs for about a second then stalls straight away. If I continue to hold the key to keep it cranking it will run until I back it off then it stalls. 

So far I have tried swapping the fuel lines that join from filter to rail and regulator etc. I swap them and then car just cranks and doesnt fire so assuming I have lined around the right way. I put in a fresh 10L of fuel to rule out not having enough fuel. Also keeping in mind that the car ran fine with its n/a motor barely a week ago so doubt fuel pump is toast. Still can hear fuel pump priming before starting. Got a spare CAS and spun it out of the car while key was in ON position to check for injector pulse and all seems fine.

 

My tuner has said he'll obviously fix it but at $200p.h I'd prefer to get it running well before I drop it off.

 

Any help would be appreciated.

Edited by tdavi280

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Have you set the power fc to be happy with the z32 afm?

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2 hours ago, Ben C34 said:

Have you set the power fc to be happy with the z32 afm?

I believe so, I used the commander and chose the 80mm (vg30 i believe) option by pressing the 'prev' button. Not 100% sure how it works to be honest 😅

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1 hour ago, GTSBoy said:

Is the ECU losing power after the end of crank time?

How would I check this?

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