really bad knock all of a sudden

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May 27, 2010 | 02:48 PM

#286

cpunlamd

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Joined: Jul 2005

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From: NJ

Any updates? I have a 2010 GSR that was running perfectly until I installed a catless TBE. Now the car is knocking and feels sluggish..

May 27, 2010 | 03:06 PM

#287

E6-X

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From: earth

diy or someone installed ? any leaks ?

May 27, 2010 | 03:57 PM

#288

tephra

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From: Melbourne, Australia

i think the cause was the cat allowed a bit sooner spool, which put it more into the lean region...

just try adding some fuel to your map

May 27, 2010 | 04:23 PM

#289

cpunlamd

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Joined: Jul 2005

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From: NJ

Quote:

Originally Posted by E6-X

diy or someone installed ? any leaks ?

Shop installed the parts. Shouldnt be any leaks.

Quote:

Originally Posted by tephra

i think the cause was the cat allowed a bit sooner spool, which put it more into the lean region...

just try adding some fuel to your map

I hope my tuner will be able to fix the problem.

Jul 20, 2013 | 05:03 PM

#290

ResourceX

Newbie

Joined: Jan 2008

Posts: 24

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From: Westchester, NY

Back from the dead after my '08X has been recently suffering break up between 5300-6300 RPMs and my #1 cyl spark plug looks like it's taking a beating (others are ok). Ideas welcome!

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