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So, I took my 2020 to Honda for a drive with the tech about the "whoosh" when accelerating, as it's getting louder. Had a spirited drive on a local highway, nothing crazy as far as RPMs are concerned. He heard it, and was pretty certain it's air being sucked up and normal turbo operation. I still have my doubts, but the car is driving beautifully. I also read in another post on the forum that a lot of owners hear the same thing.
When we got back to the dealership, he asked me to put it in neutral and rev it to redline, as he wanted to hear it without all the road noise.
I wasn't excited about revving it high in neutral and holding it there for a few seconds, but I did it. The Rev Limiter kicked in and it wouldn't rev past 4500 rpm. I held it for about 4 seconds, I think three times.
As I was driving away, I immediately noticed a high pitch, almost siren sound on acceleration, that also wound down on deceleration. But, the car was driving smoothly.
When I turned onto my street I happened to glance down at the boost gauge in the dash and noticed I wasn't building any pressure at all. I drove it through my neighborhood, go it up to about 40mph in 4th gear, and sure enough, it rises to 0 PSI and freezes. A few times I got it to 2 PSI.
I think that aggressive revving was the culprit for the high pitch frequency and 0 PSI.
Going back tomorrow for hopefully a very quick fix. Can I drive it to work under the circumstances? I mean, I drove it home, but I wasn't aware.
I hope this is free, because I only did what the tech requested.
Thanks, guys!
When we got back to the dealership, he asked me to put it in neutral and rev it to redline, as he wanted to hear it without all the road noise.
I wasn't excited about revving it high in neutral and holding it there for a few seconds, but I did it. The Rev Limiter kicked in and it wouldn't rev past 4500 rpm. I held it for about 4 seconds, I think three times.
As I was driving away, I immediately noticed a high pitch, almost siren sound on acceleration, that also wound down on deceleration. But, the car was driving smoothly.
When I turned onto my street I happened to glance down at the boost gauge in the dash and noticed I wasn't building any pressure at all. I drove it through my neighborhood, go it up to about 40mph in 4th gear, and sure enough, it rises to 0 PSI and freezes. A few times I got it to 2 PSI.
I think that aggressive revving was the culprit for the high pitch frequency and 0 PSI.
Going back tomorrow for hopefully a very quick fix. Can I drive it to work under the circumstances? I mean, I drove it home, but I wasn't aware.
I hope this is free, because I only did what the tech requested.
Thanks, guys!
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