Fabspeed Bypass...Worth it??

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Fabspeed Bypass...Worth it??

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04-12-2011, 11:55 AM

#16

Johnny Danger

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Join Date: Nov 2008

Location: Massachusetts

Posts: 4,810

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Quote:

Originally Posted by Jake D

The secondary sensors are not monitored? If this is true then why are they there for 1? and why have I seen multiple times on here that when you go to replace a bad O2 sensor to replace all 4 at the same time?

Is this true on my 00 S? or?? Can someone explain please?
Thanks

The secondary cats are superfluous. The vehicle's OBD monitors the o2 readings from the header/pre-cats. Someone has given you some bad advice.

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