So I bought this 2020 Acura ilx from auction and fixed everything but this one sound. It runs and drives great with no problems no decrease of power at that specific rpm either, I’ve already replaced the entire exhaust system including the cat and the heat shield near the muffler. It had hit something on the bottom so I know it has something to do with that but don’t know what else to look for, any help I appreciate (it only happens at about 1,750RPMs)

 

It was the vacuumed lines on the car hitting the fuel tank causing the rattle

 

wow, a resolution! thanks for sharing.

 

Im actually having this same exact issue on my 2022 ilx.

I initially thought it was one of the the heat shields and I tightened everything down, but that didn’t change anything. And I just pinpointed the noise to around the fuel tank.

What did you do to get rid of the noise? And where exactly was the vacuum line located?

Thank you in advance

 

I got an ILX and I'm having this exact same issue as well. I took the problem up with the retailer while it was still under warranty and they replaced all the motor mounts and one of the axles free of charge. Not complaining, but it didn't solve the problem lol. So, I finally decided to stop ignoring it today and found this thread. Could you give me a few details on the solution if you were able to resolve it? I'm considering complaining some more to the retailer and cluing them in to the actual problem since they are apparently incapable.