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post #81 of (permalink) Old 11-14-2012
Grimace427
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Quote:
Originally Posted by strany View Post
Educate me please, my rear O2 sensors are turned off, are you saying that my plugs will foul sooner because of this?
Quote:
Originally Posted by nsadams87xx View Post
No no, you can use anti foulers on your O2 sensors to back them out of the exhaust stream to help not trigger a CEL. Sometimes it works, sometimes it doesn't. You kinda just have to give it a shot.

Exactly. The rear O2 sensors need to be on to pass emissions rediness tests, and the anti-foulers just reduce the sensitivity of the sensors so they don't trigger a CEL.
 
 
 
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