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Bank 2 Rich..which injector?

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Old Apr 1, 2014 | 09:05 AM
  #21  
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Originally Posted by Tech
The exhaust leak was on B2 or B1?
Bank2
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Old Apr 1, 2014 | 10:23 AM
  #22  
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Originally Posted by ZZ06
Bank2
Glad to hear you got it resolved. This thread just reminded me that I need to fix my exhaust leak. The drivers side exhaust manifold gasket has a leak.
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Old Apr 2, 2014 | 07:21 PM
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Originally Posted by chaase
Glad to hear you got it resolved. This thread just reminded me that I need to fix my exhaust leak. The drivers side exhaust manifold gasket has a leak.
yea I have high flow cats and I hope the right bank hasn't suffered damage from running pig rich for so long. Under acceleration of course it changes but compared to bank1 she has been dumping gas for a while. B4 my LTFT were turned off bank 2 was pegged out in the high %'s. And for those who (like myself) have headers and a cam(112LSA) you are NOT going to hear an exhaust leak by a clamp. Not unless its massive gash in the pipes somewhere.
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Old Apr 3, 2014 | 10:09 AM
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Originally Posted by ZZ06
yea I have high flow cats and I hope the right bank hasn't suffered damage from running pig rich for so long. Under acceleration of course it changes but compared to bank1 she has been dumping gas for a while. B4 my LTFT were turned off bank 2 was pegged out in the high %'s. And for those who (like myself) have headers and a cam(112LSA) you are NOT going to hear an exhaust leak by a clamp. Not unless its massive gash in the pipes somewhere.
This shows the power of the OBD system, eventually the Fuel Trims gave you a heads up, both my scanners have graphing and playback which is quite handy for troubleshooting this type of thing, but if thing get too out of whack eventually the CEL will light. Exactly what happened on my Ford truck but in my case I started graphing the O2 sensor outputs and I got the Fuel Trim CEL and it was one of the O2's. I had to disconnect the battery to reset the trims, clearing the code alone does NOT reset fuel trims on most cars.

Last edited by 3boystoys; Apr 3, 2014 at 10:14 AM.
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Old Apr 3, 2014 | 10:29 AM
  #25  
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Originally Posted by ZZ06
yea I have high flow cats and I hope the right bank hasn't suffered damage from running pig rich for so long. Under acceleration of course it changes but compared to bank1 she has been dumping gas for a while. B4 my LTFT were turned off bank 2 was pegged out in the high %'s. And for those who (like myself) have headers and a cam(112LSA) you are NOT going to hear an exhaust leak by a clamp. Not unless its massive gash in the pipes somewhere.
I know what you mean. A mechanic/hot rodder friend of mine had taken mine for a drive and noticed the sound. Once I got in the car and really listened I could hear it. I had another friend (who is a mechanic) and his guess was driver side and sure enough, I used a flash light and inspected the gasket and one spot had a small "hole".
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