1Z Tuning Part: Where to Buy Cheap Upgrade?

'tuning part' mit dem Problem, dass it produces a lot of power but also a lot of soot, and also causes idle fluctuations (sawing). I feel quite awkward at traffic lights when the idle is fluctuating so much and people are looking at me. I had removed the part again. You once mentioned here that there's something called...
You can find a '10-cent tuning' device for sale somewhere in this forum. Could you help me figure out where I can get this part specifically for the 1Z engine? Thank you in advance for your help. Best regards, Heiko2.

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Wherever you can buy resistors.

That's a power box, but I wouldn't really recommend it to you.

It's better to pay a little more and then you'll really be satisfied!


best regards
easyrider83