Car will not run after Turbo/Injector install.. Help?
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This is a discussion on Car will not run after Turbo/Injector install.. Help? within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; Hi all, I'm new to this forumn site, but I've been over at NASIOC for awhile, just having a huge ...

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    Car will not run after Turbo/Injector install.. Help?

    Hi all, I'm new to this forumn site, but I've been over at NASIOC for awhile, just having a huge problem with my car and trying to get it solved.

    Car: '06 WRX TR
    Mods: Open Bellmouth DP, SPT Catback, Cobb Stage 2 Prior to this
    New Mods: VF30 Turbo, Originally used DW750 injectors(Thought they were the issue, now Installed Brand new Bosch EV14 1000cc injectors. )

    Here is a video of how my car runs: 2006 Subaru WRX will not run after injector install - YouTube

    installed the new id1000 injectors, scaled them correctly and input the correct latency, and it runs like this, idle cycles from barely running to 2000ish and it cycles from rich to lean repeatedly. does this for about a minute and then the idle drops so low it dies. if you give it a little bit of throttle you can somewhat keep it running, anything more than about 20% throttle or so and it sputters out and dies. car has no power, is not drivable, and I cannot get it into boost, the second I hit boost it is like i hit fuel cut. Help?

    Only things that I could thing of are a vacuum leak or ignition issue? which I havent been able to find, just to make sure I have everything hooked up right, would anyone happen to have a vacuum diagram of the stock BPV and the Turbo/IWG setup? I'm mostly sure they are hooked up right but I want to be sure.

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    also, I installed new spark plugs, don't know if that makes a difference. They were iridium's.
    Last edited by snowth1ef; 07-25-2013 at 02:13 PM.

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    Registered User Heide264's Avatar
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    Do you have a wideband? It kinda helps if you can determine your current AFR.

    At least take a log of it with your RPM, ignition timing, manifold pressure, MAF(V), and most importantly, your air fuel ratio details.
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    Agreed with Brandon.

    Furthermore, were you issued an injector worksheet with flow testing?

    Also, did you properly gap the spark plugs?
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    zax
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    Wait, was the car even tuned for the turbo?!
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    I do have a wideband, it is cycling from 18+ lean to 11 or 12 rich, rich when idle goes up, lean when idle goes down.

    I can post a datalog of those values later tonight,

    I am using the Cobb accesstuner race software and I took the VF39 map for my car and modified it slightly for the VF30,

    I do have an injector flow sheet from the injectors

    the plugs are iridium's and you cannot gap them.

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    data log

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