High-Pitched Frequency Update

gumpy

If the noise is coming from the back part of the car it's the fuel pump isn't it?

I have a feeling i'm hearing the fuel pump... it's loud at a cold start and then dies away... after awhile i can only hear it when i've pulled up at the lights which is different from most of you guys...

Paskii

Thanks everyone for their input in solving this issue. I thought I had hearing problems and glad to know it's not my ears that's busted.

I brought my car into the dealer and they can't hear it, anyone have any tips on how to help out the technicians to hear the sound, its very likely because they work in a loud environment their hearing deteriorated over time. I called Nissan and they couldn't help me they said they rely on the dealerships to diagnose the issue. If they can't replicate the problem nothing can be done.

If anyone knows any helpful tips or people to call that would be great.

Thanks

m4a1mustang

Tell them to put a young person in the car, preferably a young female, even if they have to grab someone out of sales. They can pick up on the sound pretty easily.

Older service techs simply can't hear that frequency.

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Paskii

Funny thing is I did recommend that and they seem somewhat offended and just replied no one is available otherwise they don't want to waste time on this and want to move on. It's frustrating to go back and forth with the dealers and they think your crazy or annoying.

To be honest I don't hear all the time but when I do it bugs the crap out of me and you know what you buy a new car you don't want one that is broken in any way and it's simply about principle for me. The manufacturer can at least address the issue rather than play dumb. I'll try again but I hope a TSB is up which I doubt cause the ECU is pricey. Hopefully before my warranty expires lol

Thanks everyone for their help!