Pop noise upon straight line acceleration

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08-29-16, 06:11 PM

#16

Gs3500

Pole Position

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Join Date: Jun 2015

Location: Ontario

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I took it to a shop to tighten up the axle nut. I saw the axle nut has loosened since the staked part was not where it was suppose to be. I would have tightened it but in Canada, it is apparently very hard to find a 12point 30mm socket!

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11-17-22, 07:59 AM

#17

AshMcbill

2nd gear

Join Date: Oct 2022

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High vacuums on hitting gas hard with car delay response

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Originally Posted by Gs3500

Hi everyone
my 08 gs350 awd is making a pop noise when I accelerate (even lightly). I can feel it pop again when I let off gas sometimes too. Not sure what could it be.... Any suggestions or next step would be appreciated!

hey guy, my 08 gs30 RWD, when i hit gas hard either on idle or driving, i hear loud vacume rev seems coming from throttle or manifold, upto 2-2.5k RPM ,then it goes, like i have headers on. .on driving when hit it hard it give same loud noise at start, delay a bit like choking or something then accelerates in as exposive way and lod noise disapears , as if injector not giving enough gas at the right time,,!! Any suggestions?