Exhaust leak causing Idle problems?

Merilious · 07-02-2004, 09:00 AM

I have a slight idle problem, it will go up and down from 750rpm to 1500rpm when at idle. When I rev the engine there is a pretty bad exhaust leak coming from the stock exhaust manifold. Can an exhaust leak be known to cause an idle problem?

Merilious · 07-02-2004, 09:35 AM

^^

LudeyKrus · 07-02-2004, 12:04 PM

It should not affect anything, unless the leak is above an oxygen sensor.

Usually an idle problem is a bad sensor or vacuum hose.

Merilious · 07-02-2004, 12:32 PM

The leak is before the O2 Sensor. Where the four exhaust runners merge into two.

LudeyKrus · 07-02-2004, 12:40 PM

Then yes, the exhaust leak is prob. the cause of your idle problem.

Merilious · 07-02-2004, 06:19 PM

OK, thanks.

07-02-2004, 09:00 AM	#1
Merilious Garage is empty, add now Join Date: Apr 2004 Location: Surrey, BC, Canada Posts: 586 iTrader Rating: (0)	Exhaust leak causing Idle problems? I have a slight idle problem, it will go up and down from 750rpm to 1500rpm when at idle. When I rev the engine there is a pretty bad exhaust leak coming from the stock exhaust manifold. Can an exhaust leak be known to cause an idle problem? __________________ EG Coupe - Sold EG Hatch - Sold Supercharged MR2 - Sold EF Hatch - Sold R32 Skyline - Alive and well

07-02-2004, 09:35 AM	#2
Merilious Garage is empty, add now Join Date: Apr 2004 Location: Surrey, BC, Canada Posts: 586 iTrader Rating: (0)	^^ __________________ EG Coupe - Sold EG Hatch - Sold Supercharged MR2 - Sold EF Hatch - Sold R32 Skyline - Alive and well

07-02-2004, 12:04 PM	#3
LudeyKrus Member Garage is empty, add now Join Date: Oct 2002 Location: Flowery Branch, Ga Posts: 4,768 iTrader Rating: (0)	It should not affect anything, unless the leak is above an oxygen sensor. Usually an idle problem is a bad sensor or vacuum hose. __________________ 1992 Prelude w/ H23-VTEC...handbuilt by me / 1991 MR2 Turbo 1982 Suzuki GS450 - the Rat/Cafe / 1978 Suzuki GS750 - Cafe Racer in Progress / 1977 Harley Sportster - the Chopper

07-02-2004, 12:32 PM	#4
Merilious Garage is empty, add now Join Date: Apr 2004 Location: Surrey, BC, Canada Posts: 586 iTrader Rating: (0)	The leak is before the O2 Sensor. Where the four exhaust runners merge into two. __________________ EG Coupe - Sold EG Hatch - Sold Supercharged MR2 - Sold EF Hatch - Sold R32 Skyline - Alive and well

07-02-2004, 12:40 PM	#5
LudeyKrus Member Garage is empty, add now Join Date: Oct 2002 Location: Flowery Branch, Ga Posts: 4,768 iTrader Rating: (0)	Then yes, the exhaust leak is prob. the cause of your idle problem. __________________ 1992 Prelude w/ H23-VTEC...handbuilt by me / 1991 MR2 Turbo 1982 Suzuki GS450 - the Rat/Cafe / 1978 Suzuki GS750 - Cafe Racer in Progress / 1977 Harley Sportster - the Chopper

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07-02-2004, 06:19 PM	#6
Merilious Garage is empty, add now Join Date: Apr 2004 Location: Surrey, BC, Canada Posts: 586 iTrader Rating: (0)	OK, thanks. __________________ EG Coupe - Sold EG Hatch - Sold Supercharged MR2 - Sold EF Hatch - Sold R32 Skyline - Alive and well

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Exhaust leak causing Idle problems?