Sounds greatly like wiring or ECU issues. I’d really advise checking as a result of my ETCS-i put up to ensure you have set up the wiring effectively in advance of continuing further more –
Sorry I’m not really certain on US smog regulation and procedures as I are now living in Australia but from some swift browsing It appears US only enable OBDI and OBDII ECU/scanning and since the 2JZGTE VVTi doesn’t use OBDII standards, it uses J-OBD then it gained’t pass. In terms of I’m aware it nonetheless takes advantage of the typical OBDII ports but doesn’t meet up with the US laws.
Make use of the wiring diagrams from the 2JZGTE and 2JZGE to compare the EFI wiring, don’t just consider my word for it as it’s been several years given that I worked on it!
Additionally, you will want fueling mods, nevertheless it’s time for bigger-flowing choices. Valve float becomes a priority at this electricity amount, so some valve spring upgrades go a great distance. Cams will also enable. Contemplate other head do the job to aid guidance additional RPMs and top-conclude power.
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And lastly, 400+whp is beginning to thrust past the bounds on the inventory gas method. You’ll want to consider a gasoline pump improve, for instance a Walbro 255 pump.
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There’s a lot to go over On the subject of the famous Toyota Supra and 2JZ-GTE motor. It’s an thrilling engine to Feel and publish about, so we might have unquestionably written thousands much more phrases. Alternatively, we’ll develop on specific topics with in-depth guides while in the near potential.
Look into the IS300 swap manual in this article also, it goes into way more depth from the matters you have got to look at –
Then whenever you examine the rest of the Toyota 2JZ specs it’s very clear this engine was built to tolerate some significant electricity and Improve. This motor is about toughness.
I’ve by no means stuffed all over with hybrid setups working inventory ECU for many functions and Piggy-back again for other capabilities as you are able to operate into issues like this – but that’s not to state it can’t be mounted. Most likely the stock ECU continues to be wanting following specified capabilities that Command fuel/cold commence that will look for the MAF sensors input to give stable AFR’s depending on air stream + more info o2 sensor readings.
Sorry for late reply but I at first obtained mine from perfectrun.jp. Don’t think you cans until get them as Muzzytt instructed.