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yes. The 12v mod was done through the harness. The fuel pump kicks on when you throw the key to ACC. I'm getting 12.4 Volts off the plug in the trunk. Rofl Wes get out of here!!

I'm assuming it's a narrowband? Or are you trying to immulate the stock ecu?

Checked that. With the aeromotive then tried the stock fpr. No change. I ended up blowing up the diaphram after taking it off and putting 120psi thru it. So I'll pick up the $25 rebuild kit so I can slap that back on so I can watch it some more.

There was a small crack on one but we shrink wraped them. With no change. I'll verify with my buddys coils that are in know working order.

Had the same problem. I threw code 31 too. I replaced the map sensor and it runs perfect now.

No. Tho mine use to do a similar thing when my CAS was grounding out...

I put the same dm bypass hos. On my custmers 2jzgte. Just finished his single swap with the same to4r turbo. He doesn't have a 3k breakup. It's odd Aarron. Steven ran the same hose on his stock 1jz no problem, but mine didn't. I wonder if it has to do with being jzz30 or jza70? His was a...

I personally welded them up shut. Putting screw in the hose seemed to work for the time being, but seems the easy way out

This is what I did to mine and my buddys. Both single. And both idle fine. I really don't see the big problem....

Fine I'll update it for you:

Try the stock fpd. I know you don't have one, but I'd strt looking....

IMO I would try fixing the problem on stock ecu. Or close to it before trying to just tune it out. I have a AEM FIC and I could of tuned it out, and I did try that, it's just right as the turbo wants to spool. its cause you have to add a whole bunch of fuel at the 3k breakup... Which is...

Yes you can still have codes. I would check you IACV. Might be stuck closed, or open. Or just not running right. Or take it off and make a block off plate like I did then crack the throtle open a tad:

Yeah. Not 100% buti believe 1jz FPD is the same for the 2jz one...

So I switches it back to stock and it works perfect!!!!!!! Omg thank you guys soooooo much!!!! This was killing me. Took the car out tonight... I missed it pulls hard! Burns rubber all the way up to 3rd!!

Cool so closer to my setup...

What are your mods??

I had the same problem when I first got my 1jz running. It ran fine one day, then this happened. Tach would jump around and it would starting cutting and running like crap. Went away then came back. Fianlly it died and wouldn't start up. Turned out that my Crank angle sensor, the one behind...

We should really contact Aaron about this problem..... Anyway I dug through my stuff and found this: it's from a 2jzgte. The owner went to a dm bypass line (haven't started it yet) rofl. I'll think I'll borrow it to test my cut.

More updates dude! I know you got them. Almost done with your turbo, I'll go get it balanced Friday. And change your sig! You're no longer twin turbo!