Cessna 404 Turbocharger Issue – Cannot Maintain Full Power at 16,000 ft Without Heavy Mixture Leaning

ISSUE DESCRIPTION

Description of the issue:

The turbocharger on the Cessna 404 is not functioning correctly in SU2. You are not able to achieve full power at 16,000 feet unless you lean the mixture heavily. According to the aircraft’s performance specifications, the mixture should remain full rich (sea level mixture) up to 16,000 feet to maintain full power, but currently this is not possible in the simulator.

If applicable, which aircraft is experiencing this issue:

Cessna 404

[PC Only] Did you remove all your community mods/add-ons? If yes, are you still experiencing the issue?

Yes, and the issue still occurs.

FREQUENCY OF ISSUE

This issue occurs every time at 16,000 feet.

REPRODUCTION STEPS

Please list clear steps you took in order to help our test team reproduce the same issue:

  1. Load a flight with the Cessna 404.
  2. Climb to 16,000 feet while keeping the mixture full rich.
  3. Observe that full power is not maintained unless the mixture is leaned.

YOUR SETTINGS

What peripherals are you using, if relevant:
Not relevant

[PC Only] Are you using Developer Mode or have you made any changes to it?
Not using Developer Mode. No changes.

[PC, MSFS 2020 Only] Are you using DX11 or DX12?
DX12

[PC Only] What GPU (Graphics Card) do you use?
NVIDIA RTX 4080

[PC Only] What other relevant PC specs can you share?
AMD, 64GB RAM, Windows 11

MEDIA

Please add a screenshot or video of the issue occurring.

Very dissapointing!! is totally underpowered, can´t even reach 9000 ft (SU3)

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