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Discussion Starter · #1 ·
Has anyone tried to install 411's from Superior on a factory "e" locker ?
also does anyone know a fix for bank1 and bank2 code 420 and 430 after installing doug thorly headers?
 

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Has anyone tried to install 411's from Superior on a factory "e" locker ?
also does anyone know a fix for bank1 and bank2 code 420 and 430 after installing doug thorly headers?
Do you have cats in the B pipes? If so, did you move the O2 sensors to a point past the cats?
 

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You don't move the A/F sensors that are in the headers, just the O2 sensors in the B pipes. Get new bungs welded in the B pipes just behind the cats. Move the O2 sensors there, the wiring will reach. Screw plugs into the original bungs. A muffler shop should have the bungs and plugs in stock; if not you can get them on e-Bay.
 

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