weird sound when accelerating in low RPMs - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

evoto86 · 02-28-2018, 07:20 AM

Not sure if this is normal but does anybody else experince this metalic noise when say you're cruising in 3rd or 4ths below 3krpm you let off the gas for a second, give it a tap to pick up speed but as soon as you do you hear a noise which sounds like two metal rods making contact. It really gets on my nerves because it makes the car sound broken i have been experincing this noise since the car was barely over 3000 kilometers probably since new cant really remember i never bothered looking into it because i could go a week without hearing it and its difficult to replicate only under certain conditions. If im the only one hearing it i might as well get it settled under warranty soon.

DrButtDrugs · 02-28-2018, 07:56 AM

If you're still under warranty there is no harm in having the dealer look at it. Doesn't sound like something I've ever heard.

Lantanafrs2 · 02-28-2018, 10:11 AM

Thank God my hearing isn't great. I'd have gotten rid of this car a long time ago.

thatfilipinoguy · 02-28-2018, 01:51 PM

Mods?

evoto86 · 02-28-2018, 02:48 PM

Quote:

Originally Posted by thatfilipinoguy

Mods?

None bone stock

thatfilipinoguy · 02-28-2018, 03:20 PM

Off to the dealer you go! I thought you might've had some mods.

EAGLE5 · 02-28-2018, 04:03 PM

If you were <2000 rpm, maybe it's too much load at low RPM. Between 2000 and 3000 shouldn't make any weird noises.

Tcoat · 02-28-2018, 04:53 PM

Throttle body?

I totally gave up trying to figure out what each of the weird noises in my car are about 80,000 miles ago. It still works fine.

humfrz · 02-28-2018, 08:30 PM

If you haven't done so, I suggest you "put a sock" in the sound tube and see if you still hear that sound ......

humfrz

ThatDamnRanga · 02-28-2018, 10:32 PM

I have a sound like a single detonation event if I lift off the gas then apply even a little amount at low throttle. I'm guessing it's probably the AVCS solenoids kicking in for a drastic change in cam timing.

Only engine mod is a sound tube delete.

NRXRaptor · 02-28-2018, 11:13 PM

When I first had my car I took my car into the dealer because I was hearing a weird noise at low rpm. It only appears after the car has been warmed up for a good while, ~30-40 min it seems. They told me the noise was normal. It turned out it was the wonderful noise of direct fuel injection. Look up some videos of other manufacturers' direct injection engines to see if that is the noise you're looking for

Spuds · 03-01-2018, 12:46 AM

By 'two metal bars' sound, are you talking about something like this?

NAEightySix · 03-03-2018, 10:21 AM

Quote:

Originally Posted by evoto86

Not sure if this is normal but does anybody else experince this metalic noise when say you're cruising in 3rd or 4ths below 3krpm you let off the gas for a second, give it a tap to pick up speed but as soon as you do you hear a noise which sounds like two metal rods making contact. It really gets on my nerves because it makes the car sound broken i have been experincing this noise since the car was barely over 3000 kilometers probably since new cant really remember i never bothered looking into it because i could go a week without hearing it and its difficult to replicate only under certain conditions. If im the only one hearing it i might as well get it settled under warranty soon.

I get the same sorta thing but it’s definitely lower than 3000...

Mine starts at around <2000, but I’ve heard it’s normal. My car works great.

Sent from my iPhone using Tapatalk

NAEightySix · 03-03-2018, 10:24 AM

Quote:

Originally Posted by Tcoat

Throttle body?

I totally gave up trying to figure out what each of the weird noises in my car are about 80,000 miles ago. It still works fine.

Some of my friends tell me “your car makes a lot of odd noises” lmao.

I think the worst noises for me are the door switch rattles that I’ve already attempted to lightly insulate.

Sent from my iPhone using Tapatalk

02-28-2018, 07:20 AM	#1
evoto86 Senior Member Join Date: May 2017 Drives: manual Toyota 86 Location: NSW Posts: 117 Thanks: 23 Thanked 60 Times in 32 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	weird sound when accelerating in low RPMs Not sure if this is normal but does anybody else experince this metalic noise when say you're cruising in 3rd or 4ths below 3krpm you let off the gas for a second, give it a tap to pick up speed but as soon as you do you hear a noise which sounds like two metal rods making contact. It really gets on my nerves because it makes the car sound broken i have been experincing this noise since the car was barely over 3000 kilometers probably since new cant really remember i never bothered looking into it because i could go a week without hearing it and its difficult to replicate only under certain conditions. If im the only one hearing it i might as well get it settled under warranty soon.

02-28-2018, 04:53 PM	#8
Tcoat Senior Member Join Date: Jul 2014 Drives: 2020 Hakone Location: London, Ont Posts: 69,845 Thanks: 61,656 Thanked 108,284 Times in 46,456 Posts Mentioned: 2495 Post(s) Tagged: 50 Thread(s)	Throttle body? I totally gave up trying to figure out what each of the weird noises in my car are about 80,000 miles ago. It still works fine. __________________ Racecar spelled backwards is Racecar, because Racecar.

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02-28-2018, 07:56 AM	#2
DrButtDrugs yerp Join Date: Aug 2016 Drives: 2015 WRX Location: South Central PA Posts: 157 Thanks: 5 Thanked 49 Times in 34 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	If you're still under warranty there is no harm in having the dealer look at it. Doesn't sound like something I've ever heard.

02-28-2018, 10:11 AM	#3
Lantanafrs2 Senior Member Join Date: Jan 2018 Drives: 2013 frs red Location: South Florida Posts: 3,517 Thanks: 2,520 Thanked 3,088 Times in 1,654 Posts Mentioned: 6 Post(s) Tagged: 1 Thread(s)	Thank God my hearing isn't great. I'd have gotten rid of this car a long time ago.

02-28-2018, 01:51 PM	#4
thatfilipinoguy Senior Member Join Date: Jul 2013 Drives: 87 Supra, 13 FRS, 05 FXT Location: Honolulu, CA Posts: 485 Thanks: 229 Thanked 144 Times in 118 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Mods?

02-28-2018, 03:20 PM	#6
thatfilipinoguy Senior Member Join Date: Jul 2013 Drives: 87 Supra, 13 FRS, 05 FXT Location: Honolulu, CA Posts: 485 Thanks: 229 Thanked 144 Times in 118 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Off to the dealer you go! I thought you might've had some mods.

02-28-2018, 08:30 PM	#9
humfrz Senior Member Join Date: May 2013 Drives: 2013 FR-S, white, MT Location: Puyallup, WA Posts: 29,872 Thanks: 28,793 Thanked 31,826 Times in 16,429 Posts Mentioned: 708 Post(s) Tagged: 2 Thread(s)	If you haven't done so, I suggest you "put a sock" in the sound tube and see if you still hear that sound ...... humfrz

02-28-2018, 10:32 PM	#10
ThatDamnRanga Member Join Date: Jun 2017 Drives: 2014 Dark Grey Metallic GT86 Location: NZ Posts: 11 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	I have a sound like a single detonation event if I lift off the gas then apply even a little amount at low throttle. I'm guessing it's probably the AVCS solenoids kicking in for a drastic change in cam timing. Only engine mod is a sound tube delete.

02-28-2018, 11:13 PM	#11
NRXRaptor Senior Member Join Date: Aug 2016 Drives: BRZ Location: Mendocino County Posts: 369 Thanks: 7 Thanked 96 Times in 75 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	When I first had my car I took my car into the dealer because I was hearing a weird noise at low rpm. It only appears after the car has been warmed up for a good while, ~30-40 min it seems. They told me the noise was normal. It turned out it was the wonderful noise of direct fuel injection. Look up some videos of other manufacturers' direct injection engines to see if that is the noise you're looking for

03-01-2018, 12:46 AM	#12
Spuds The Dictater Join Date: Apr 2017 Drives: '13 Red Scion FRS Location: MD, USA Posts: 9,433 Thanks: 26,120 Thanked 12,434 Times in 6,149 Posts Mentioned: 85 Post(s) Tagged: 0 Thread(s)	By 'two metal bars' sound, are you talking about something like this?

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