SC- 1st Gen (1992-2000)

1uz fe nonvvti MAF problem. Need HELP

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Old 07-26-24 | 04:13 AM
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UZX81Pavel's Avatar
UZX81Pavel
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Default 1uz fe nonvvti MAF problem. Need HELP

Guys, a big hello and respect to everyone from Russia.
I apologize if there will be mistakes in the text, especially in technical designations.
Recently swap mark 2 gx81 with 1gfe to 1uzfe non vvti lexus sc400+ w58.
The electrics were done by a good specialist, he has a lot of experience but JDM motors. USA motors are relatively rare in our area, but it started up and all is well.
I am writing here, because there are questions about MAF. Below I will attach links to YouTube with starting the motor with MAF and without MAF.
It is necessary to check the wires to MAF and the sensor itself, I will do it soon.
I prepare myself for the worst if MAF does not work.
I would like to know how you solve the MAF problem? I can't find the original, and Chinese MAFs (available in our country) are not very good (according to many people in Russia).
I also feel that I have a Chinese MAF now, as there are no markings on the cover (I will attach a photo).
I will be glad to any help, I know that these motors are loved as much in your country as in ours

no MAF
with MAF

Old 07-26-24 | 08:38 AM
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UZX81Pavel
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Exclamation 1uz fe nonvvti MAF problem. Need HELP

Guys, a big hello and respect to everyone from Russia.
I apologize if there will be mistakes in the text, especially in technical designations.
Recently swap mark 2 gx81 with 1gfe to 1uzfe non vvti lexus sc400+ w58.
The electrics were done by a good specialist, he has a lot of experience but JDM motors. USA motors are relatively rare in our area, but it started up and all is well.
I am writing here, because there are questions about MAF. Below I will attach links to YouTube with starting the motor with MAF and without MAF.
It is necessary to check the wires to MAF and the sensor itself, I will do it soon.
Preparing myself for the worst if the MAF is not working.
I want to know how you solve the MAF problem? I can't find the original, and Chinese MAFs (available in our country) are not very good (according to many people in Russia).
I also feel that I have a Chinese MAF now, as there are no markings on the cover (I will attach a photo).
I will be glad for any help, I know that you love these motors as much as we do

UPD
While writing the post, went to the car, cleaned the pins, started a few times, it got better. Stable at low rpm, stable at mid rpm, but goes out after 4500 under throttle. It used to be much worse.

no MAF launch
MAF launch
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