Throttle body adaptation for LUPO 1.0 is not working

Hello.
My son drives a 1998 Lupo with a 4-cylinder engine. ALL 1.0 engine: Get the required inspections (TÜV) and emissions test (AU) done.
VCDS 16.8.4
- The engine runs at 2000 RPM, saws, and never drops below that speed, even when hot.
Checked.
- Coolant sensor: The reading shows only 55 degrees Celsius, when it should be 80 degrees. Ordered a replacement for tomorrow, using a used sensor in the meantime.
Same situation, but with higher positive values.
- No error is stored.
then
- Searched for leaks in the intake manifold, but found none.
(Vacuum-sealed activated carbon container, test closure, valve clicks during actuator diagnosis).
- DRKl housing disassembled, cleaned, and the seal is in good condition. (The housing does not appear to be old.)
Removed the lid, and the gears and teeth appear to be in good condition.
"The reading shows an opening of 12 degrees. When the sensor is disconnected, the RPM drops to around 900, but then increases again when the connector is plugged back in!"
Everything would be fine if it were over.

-Adaptation error? Have you disconnected the battery? So, 1 = MSTG, Engine = 8 MWB, and tried 001 or 098, but there's no corresponding window appearing where I can initiate the adaptation, it seems to be blocked.
- Attempt to log in with user ID 010 and password 65535 was not accepted.

Conditions are met even with a charger outputting over 11.5V, and the memory has been erased.

Now, a throttle valve error message always appears.
-01087 Signal out of tolerance.
-01087 Initial configuration not performed.
and the previous number sequence is no longer there, everything is xxx.
Once, I heard a clicking sound, like the DRKL was opening and closing briefly.


I had deleted the error message beforehand in each case.
Why can't I access the learning mode anymore?
Is the throttle valve not working properly?
Who can help?

Best regards, Klaus.

Okay, I'm ready. Please provide the text you want me to translate.
Engine control unit, basic setting, block 060

OK, thank you.
I did that, but I think 098 is already correct. The adaptation only fails if the DrKl device flickers; in that case, all field entries are lost.
Okay, so I'm now entering with version 17.1.2.
1, 8, then 4, and then finally the 98 block, went to the 98 block a few times, so that the DRKL (likely a device or system) had a few "sugar spikes" (likely referring to voltage fluctuations), but then the 4 volts didn't stay stable and disappeared, but instead the adaptation value finally settled at 2.6 V.
Okay, now wait at least 30 seconds before exiting into the main work area.
And the learning rate remained at 2.72 V. Adapted. I.O.
However, the speed remains at 1400 RPM. Okay, I'm going to warm up tomorrow.
V has some instability in the DRKl unit... possibly a manufacturing defect. "Error entry" used to be.

Okay, so I drove today, unfortunately, I'm back to being stuck in the 1500-2000 range.
According to the friendly mechanic, the throttle body is defective if it cannot be calibrated.

Hello KlausiMausi!

You can try the following steps before replacing a DK unit:

Assuming that everything is absolutely airtight and no outside air is being drawn in...

Delete the learning values again, try adapting again, and if the learning value speed is still too high, drive the vehicle in city traffic for a few hours.
The key aspect here is the constantly changing load and speed requirements, which also include a significant amount of idle time. Driving to visit the in-laws at the North Pole via the highway is not the solution here.
The MStG (presumably an acronym for a specific technology or system) is also capable of adapting through learning parameters during operation. That actually requires several hours.
However, there must be no errors, except for "initial setup not performed," entered in the MStG (German VAT law), otherwise it won't work.

By the way, I only know channel 060 here, but that's okay...

Best regards from Munich!

Hello Dieselbear, unfortunately not, the box says that channel 60 is not available.
I went back and tried again, this time using channel 098, and it worked. It successfully learned the signal. Yesterday, it didn't work because, one second after the adaptation process started, all the entries in the fields were cleared and replaced with "X," causing the process to abort. Today, he finally took it, and the numbers started.
It started running and stabilized at 2.6V, then increased to 3.13V, and the calibration was successful. Engine speed was 1200 RPM immediately after starting, when cold.
I also just sprayed the vacuum line leading to the BKV (boost control valve) with brake cleaner, as instructed, and there were no changes in engine speed or RPM.
Unfortunately. Well, Dr. Kl. is coming tomorrow. Let's see if it works.
I could also remove the entire intake manifold, to see if there's a crack somewhere, but I think if there's a leak, it should have reacted to the brake cleaner. I could also measure the vacuum pressure in the system.
By the way:
Adjust the throttle cable to match the MWB 098 setting.
Use E Gas with the MWB 060.

Today, I'm installing the new throttle body.
Immediately increase the speed to 1400, then gradually decrease it to 1000.
The speed remains at 1040 - good.
It was re-programmed to channel 098. I.O.
When starting the engine, the RPM often briefly stays at 1400 before dropping to a lower-than-expected idle speed of around 1000 RPM.
When you press the brake pedal for the 2nd or 3rd time (which causes the engine to lean out), the RPM briefly increases and then returns to the idle RPM. This suggests that there is likely still a small leak somewhere. Then I will search for it again.