how to increase the injection time the VE card is not very effective.
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- 04 Feb 2026, 01:25
- Forum: Performance, Tuning & Aftermarket
- Topic: VS M4.4 tuning dead? Start again here?
- Replies: 187
- Views: 56161
Re: VS M4.4 tuning dead? Start again here?
What parameters and maps affect the speed of STFT regulation
how to increase the injection time the VE card is not very effective.
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how to increase the injection time the VE card is not very effective.
- 17 Dec 2025, 05:05
- Forum: Performance, Tuning & Aftermarket
- Topic: VS M4.4 tuning dead? Start again here?
- Replies: 187
- Views: 56161
Re: VS M4.4 tuning dead? Start again here?
Yes, the oxygen sensor needs to be moved closer to the main O2 sensor. That's in the summer plans. The "14POINT7 SLC Free 2" has two outputs: 0-5 volts and 0-1 volts. I wanted to connect the 0-1 volt output to the main O2 input and screw in the LSU-4.9 oxygen sensor instead. It didn't work...
- 07 Dec 2025, 22:14
- Forum: Performance, Tuning & Aftermarket
- Topic: VS M4.4 tuning dead? Start again here?
- Replies: 187
- Views: 56161
Re: VS M4.4 tuning dead? Start again here?
I don't use VAST's WBO2 modulation. The "14POINT7 SLC Free 2" manual doesn't have any calibration information, but there is a screen with AFR readings. I compared the readings in TUNER Pro. My catalytic converter is removed, and the O2 sensor is in place of the rear O2 sensor. It's further...
- 04 Dec 2025, 22:37
- Forum: Performance, Tuning & Aftermarket
- Topic: VS M4.4 tuning dead? Start again here?
- Replies: 187
- Views: 56161
Re: VS M4.4 tuning dead? Start again here?
I added fuel in these places, it didn’t help, I’m trying to change the lambda regulation.
- 28 Nov 2025, 00:25
- Forum: Performance, Tuning & Aftermarket
- Topic: VS M4.4 tuning dead? Start again here?
- Replies: 187
- Views: 56161
- 27 Nov 2025, 23:40
- Forum: Performance, Tuning & Aftermarket
- Topic: VS M4.4 tuning dead? Start again here?
- Replies: 187
- Views: 56161
Re: VS M4.4 tuning dead? Start again here?
Green Injectors 440cc, 255 l/h Fuel Pump, 14POINT7 SLC Free 2 Wideband, Pressure sensor mpx4250d, Upgraded fuel pump wiring, The 'R' manifold.
- 25 Nov 2025, 04:25
- Forum: Performance, Tuning & Aftermarket
- Topic: VS M4.4 tuning dead? Start again here?
- Replies: 187
- Views: 56161
Re: VS M4.4 tuning dead? Start again here?
Hello everyone
After installing the broadband controller, I noticed that at 1700 and 2300 rpm, the mixture becomes poor up to 15-16 afr, sometimes a detonation is registered after that. If anyone has encountered such a problem, can you tell me how to solve it?
After installing the broadband controller, I noticed that at 1700 and 2300 rpm, the mixture becomes poor up to 15-16 afr, sometimes a detonation is registered after that. If anyone has encountered such a problem, can you tell me how to solve it?






