fluttering noise-99 4runner

joe p · 01-01-2004, 12:15 PM

hey guys-im new to the board but hope someone might be having the same problem as i. here goes--my rig has developed afluttering sound which seems to come from the left side of my motor-truck also is louder upon acceleration i checked the exhaust and it seems ok--no VISIBLE leaks. i have owned 3 other 4 runners and never heard this before! i was told they all sound like that!!--YEAH RIGHT!! any body have any ideas?

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rimpainter.com · 01-01-2004, 12:29 PM

You say developed, so I figure this isnt something that has always been there. Any loss of power associated with the sound? Any recent check engine lights? Any recent work done on the vehicle?

vtruong1 · 01-01-2004, 07:00 PM

I think you got what I got. I have no idea what it is...Pinging?

Nitro Hotpants · 01-01-2004, 07:15 PM

it seems like an exhaust leak. but since u dont see any visible leaks i cant honestly say what it is. i would say maybe u could try replacing the gaskets on the exhaust manifolds.
i had a fluttering noise after i installed my headers and i found that i blew the gasket, so i replaced it and the sound went away.

-Casey

rimpainter.com · 01-02-2004, 04:24 AM

That's why I asked about the loss of power. There should be a slight loss of power associated with an exhaust leak pre O2 sensor.

01-01-2004, 12:29 PM	#2 (permalink)
rimpainter.com Contributing Member Personal Sales Rating: (0) Join Date: Jan 2003 Posts: 10,913	You say developed, so I figure this isnt something that has always been there. Any loss of power associated with the sound? Any recent check engine lights? Any recent work done on the vehicle? __________________ www.rimpainter.com My SC'd 4Runner's Profile My YouTube vids

01-01-2004, 07:00 PM	#3 (permalink)
vtruong1 Registered User Personal Sales Rating: (0) Join Date: Feb 2003 Posts: 155	I think you got what I got. I have no idea what it is...Pinging? __________________ 99 Limited 4runner Dark Green Deckplate Mod Dr Z ISR Mod Amsoil Filter Catch-All Floor Mats

01-01-2004, 07:15 PM	#4 (permalink)
Nitro Hotpants Contributing Member Personal Sales Rating: (0) Join Date: Jul 2002 Location: Orange County, CA Posts: 1,135	it seems like an exhaust leak. but since u dont see any visible leaks i cant honestly say what it is. i would say maybe u could try replacing the gaskets on the exhaust manifolds. i had a fluttering noise after i installed my headers and i found that i blew the gasket, so i replaced it and the sound went away. -Casey __________________ 2WD 4Runner with 4WD running gear SOME PICS!

01-02-2004, 04:24 AM	#5 (permalink)
rimpainter.com Contributing Member Personal Sales Rating: (0) Join Date: Jan 2003 Posts: 10,913	That's why I asked about the loss of power. There should be a slight loss of power associated with an exhaust leak pre O2 sensor. __________________ www.rimpainter.com My SC'd 4Runner's Profile My YouTube vids

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01-02-2004, 04:24 AM
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