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Exhuast Leak: Rough Idle

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Old Apr 24, 2003 | 10:38 AM
  #1  
mostang's Avatar
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Joined: Apr 2003
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From: Fresno, Ca
Exhuast Leak: Rough Idle

Hello, Can an Exhaust leak at the Head and Exhaust
Manifold cause the sensors to wacky and cause a
roughness at idle speeds?.....Thanks, Bob
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Old Apr 24, 2003 | 07:52 PM
  #2  
DannyT's Avatar
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Joined: Jul 1999
Posts: 784
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From: Sacramento, CA
Car: 89 Iroc
Engine: 383
Transmission: 700R4
Axle/Gears: 3.45
It depends on how bad the leak is and which side it's on.
I guess if it were on the driver's side then the O2 sensor would get inaccurate readings. Does the rough idle happen when cold or after the car warms up (or both)?
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