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    No Crank, No Start After Recent SCT Tune

    Did you check for power at the starter on the small terminal when cranking engine. Start with the basics.
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    2006 GT on3 turbo going lean under boost

    I was hoping for around 700 on e85. I might just install a fuel system over the winter so it will be done right. My end goal is get the car to run as close to 10.0 as I can get.
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    How do I remove and replace the ECU/ECM Connectors on a 2005 Mustang Gt

    It's not a voltage issue with the alternator it's an RFI issue. They are outputting a radio frequency that interferes with sensitive electronics. Cam and crank sensor wires are twisted and are shielded to protect them from RFI but if an alternator or coil gets "too loud" its will interfere with...
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    2006 GT on3 turbo going lean under boost

    So I got together with my tuner today with the new pcm installed. Everything is working normally now. We stopped at 10psi because traction was becoming an issue. Time to set up some time at the dyno and get it dialed in at higher boost ranges. Does anyone know what the limits of a gt500 fuel...
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    2006 GT on3 turbo going lean under boost

    I got back to looking at the car. I inspected the FRP and hoses all look ok. I got to thinking about what I could have done wrong and the only things I could think of were when I installed the engine I plugged my msd 2 step connectors in the wrong connector and I plugged the knock sensors into...
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    2006 GT on3 turbo going lean under boost

    Is that read through the factory frp sensor.
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    2006 GT on3 turbo going lean under boost

    I have never seen the fuel pressure go above 40psi. The injectors are new and sealed in box. My tuner said they are the 80 that the box said. Yes it happened before the dw pumps. I unplugged each pump at the pump motor itself and it would still run so I am assuming they both work. Since my...
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    2006 GT on3 turbo going lean under boost

    He did adjust tune for injectors. The vehicle should have ran pretty good after doing all the updates even without a new tune. I didn't change that much. Engine size went up a tiny bit and I didn't even get to adding boost. It was running 8 to 10 psi and now I go lean at 2 psi.
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    2006 GT on3 turbo going lean under boost

    Its connected to a vacuum manifold block. The same as before. It may have gotten kinked but I'm pretty sure I inspected it. I am at work now but will take a real close look at it when I get home? I have the ford scan tool that I am using to check pid info. Should the PC actually show an increase...
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    2006 GT on3 turbo going lean under boost

    I like the fuel pressure sensor not reacting to the boost idea. I will look into that one. The frp always reads between 39 and low of about 36 under heavy load. Should it read higher under boost?
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    2006 GT on3 turbo going lean under boost

    After I did the build I ran the same injectors before and after the build for break in. Then when I brought it to the tuner and I installed Motorsport 80lb/hr injectors. I did install a new fuel filter too. It had the stock gt500 pumps last year. After I cant get it to not lean out I installed...
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    2006 GT on3 turbo going lean under boost

    I have been running this setup for about 5 years now and over the winter I decided to geive it some upgrades. I installed a forged 4.75 stroker kit, ford racing intake, comp cams phaser limiter kit, upgraded valve springs, new ati damper, new level ten 5r55s transmission with 4400 triple disc...

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