Strange Rough Engine Sound

I’ve been getting driven crazy by what sounds like a rough running engine. Originally I thought it was an engine failure sound. But now I think it may be a bug related to external airplane sounds. It only happens on the ground or a minute or so after take off. It’s just loud and doesn’t seem to have any spatial positioning. It overpowers my own airplane’s engine.

Are there any known bugs involving this?

It could be an older type airplane I have in my inventory.

I think it would be a good idea for you to do a screen recording and share it with us here. Just so we can hear the exact same thing you’re hearing and have a better idea to identify the issue and provide solutions.

Yes I got this. It sounds like a diesel engine idling inside the cockpit. I would get it while APU was running when setting up for a flight.

After a rebuild of my PC, with no mods installed it hasnt done it for over a week so I concluded it was a mod conflict or something.

That’s the sound. The only 3rd party I have enabled are the

Community

  • DA40-NGX Improvement
  • Bonanza G36 (verified that isn’t it)
  • TMB 930 Improvement

Marketplace

  • Spitfire

The DA40-NXG does have a diesel engine, but it doesn’t sound that bad.

I know you record, any recommendations?

Before I rebuilt, I had the TBM930 improvement mod. None of the others you listed though.

If you are using Nvidia GPU, the GeForce Experience app is good enough to capture screen recording, and you can upload it to YouTube and share the link with us here.

That would be a strange one since the TBM is a turboprop.

I forget the settings, but I do have the non generic
AI multiplayer aircraft enabled. I’ve been thinking of turning it off as it seems to favor the MSFS branded liveries. So the airports are full of pastel colored airplanes.

The mod could unintentionally trigger a noise that’s built into ground crew etc. It could be just a bug..

Did you fix this?

I used to have this all the time in the MilViz Porter. Drove me crazy. It was so loud. I haven’t had it in a long time, no idea what it was all about.

Not exactly. Since I fly in VR with a G2 headset it has a video recording option. I’m trying to catch it now but of course, it’s not happening.

Did you have any of the same airplanes mentioned above installed?

I have that same issue and it drives me crazy. It sounds like a diesel generator is running right outside the cockpit window, and it is LOUD. I have heard it with the PMDG 737, H-Jet, Kodiak, basically each of the planes I have used recently.

Yeah, it really kills the experience. Does it follow you up to about 1,000 feet or so before it fades out?

Anyone that gets this, please include any additional airplanes you may have or if you are all stock.

I’m not sure it happened before SU9, at least for me.

It didn’t happen when I tried to capture video tonight, but if it’s related to real time traffic, that tends to reduce in later hours.

Yes, that is exactly what it does. Funny, I just presumed it was a problem with my system, never even considered that others were having the same issue. Hopefully we can find a solution now that it is being openly discussed!

Yes, I had all of those. Not sure that they were all enabled at the time though. It’s been a very long time since I’ve even flown the Porter.

You guys aern’t hearing a GPU Unit running are you?

I had that thought too but I’m flying airplanes that don’t support that and it follows you up around 1000 feel.

Does the sim have them? If I try to use external power in the TBM it doesn’t power up.

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Do you own the D17 staggerwing. There is a bug with that. I own it and if there is AI one running, you pass by it and the sound stays. There is a mod on flightsim.to for this.